2142525

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 4580064

約数和(自身を除く): 2437539

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 49, 53, 55, 75, 77, 105, 147, 159, 165, 175, 231, 245, 265, 275, 371, 385, 525, 539, 583, 735, 795, 825, 1113, 1155, 1225, 1325, 1617, 1749, 1855, 1925, 2597, 2695, 2915, 3675, 3975, 4081, 5565, 5775, 7791, 8085, 8745, 9275, 12243, 12985, 13475, 14575, 20405, 27825, 28567, 38955, 40425, 43725, 61215, 64925, 85701, 102025, 142835, 194775, 306075, 428505, 714175, 2142525]

約数ペア:

[(1, 2142525), (3, 714175), (5, 428505), (7, 306075), (11, 194775), (15, 142835), (21, 102025), (25, 85701), (33, 64925), (35, 61215), (49, 43725), (53, 40425), (55, 38955), (75, 28567), (77, 27825), (105, 20405), (147, 14575), (159, 13475), (165, 12985), (175, 12243), (231, 9275), (245, 8745), (265, 8085), (275, 7791), (371, 5775), (385, 5565), (525, 4081), (539, 3975), (583, 3675), (735, 2915), (795, 2695), (825, 2597), (1113, 1925), (1155, 1855), (1225, 1749), (1325, 1617)]