212491125

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 483345408

約数和(自身を除く): 270854283

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 121, 125, 165, 175, 223, 225, 231, 275, 315, 363, 375, 385, 495, 525, 605, 669, 693, 825, 847, 875, 1089, 1115, 1125, 1155, 1375, 1561, 1575, 1815, 1925, 2007, 2453, 2475, 2541, 2625, 3025, 3345, 3465, 4125, 4235, 4683, 5445, 5575, 5775, 7359, 7623, 7805, 7875, 9075, 9625, 10035, 12265, 12375, 12705, 14049, 15125, 16725, 17171, 17325, 21175, 22077, 23415, 26983, 27225, 27875, 28875, 36795, 38115, 39025, 45375, 50175, 51513, 61325, 63525, 70245, 80949, 83625, 85855, 86625, 105875, 110385, 117075, 134915, 136125, 154539, 183975, 188881, 190575, 195125, 242847, 250875, 257565, 306625, 317625, 351225, 404745, 429275, 551925, 566643, 585375, 674575, 772695, 919875, 944405, 952875, 1214235, 1287825, 1699929, 1756125, 2023725, 2146375, 2759625, 2833215, 3372875, 3863475, 4722025, 6071175, 6439125, 8499645, 10118625, 14166075, 19317375, 23610125, 30355875, 42498225, 70830375, 212491125]

約数ペア:

[(1, 212491125), (3, 70830375), (5, 42498225), (7, 30355875), (9, 23610125), (11, 19317375), (15, 14166075), (21, 10118625), (25, 8499645), (33, 6439125), (35, 6071175), (45, 4722025), (55, 3863475), (63, 3372875), (75, 2833215), (77, 2759625), (99, 2146375), (105, 2023725), (121, 1756125), (125, 1699929), (165, 1287825), (175, 1214235), (223, 952875), (225, 944405), (231, 919875), (275, 772695), (315, 674575), (363, 585375), (375, 566643), (385, 551925), (495, 429275), (525, 404745), (605, 351225), (669, 317625), (693, 306625), (825, 257565), (847, 250875), (875, 242847), (1089, 195125), (1115, 190575), (1125, 188881), (1155, 183975), (1375, 154539), (1561, 136125), (1575, 134915), (1815, 117075), (1925, 110385), (2007, 105875), (2453, 86625), (2475, 85855), (2541, 83625), (2625, 80949), (3025, 70245), (3345, 63525), (3465, 61325), (4125, 51513), (4235, 50175), (4683, 45375), (5445, 39025), (5575, 38115), (5775, 36795), (7359, 28875), (7623, 27875), (7805, 27225), (7875, 26983), (9075, 23415), (9625, 22077), (10035, 21175), (12265, 17325), (12375, 17171), (12705, 16725), (14049, 15125)]