18393375

素因数分解:

$3^1\times 5^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:63

約数の個数: 128

約数和(自身を含む): 41932800

約数和(自身を除く): 23539425

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 49, 55, 65, 75, 77, 91, 105, 125, 143, 147, 165, 175, 195, 231, 245, 273, 275, 325, 343, 375, 385, 429, 455, 525, 539, 637, 715, 735, 825, 875, 975, 1001, 1029, 1155, 1225, 1365, 1375, 1617, 1625, 1715, 1911, 1925, 2145, 2275, 2625, 2695, 3003, 3185, 3575, 3675, 3773, 4125, 4459, 4875, 5005, 5145, 5775, 6125, 6825, 7007, 8085, 8575, 9555, 9625, 10725, 11319, 11375, 13377, 13475, 15015, 15925, 17875, 18375, 18865, 21021, 22295, 25025, 25725, 28875, 34125, 35035, 40425, 42875, 47775, 49049, 53625, 56595, 66885, 67375, 75075, 79625, 94325, 105105, 111475, 125125, 128625, 147147, 175175, 202125, 238875, 245245, 282975, 334425, 375375, 471625, 525525, 557375, 735735, 875875, 1226225, 1414875, 1672125, 2627625, 3678675, 6131125, 18393375]

約数ペア:

[(1, 18393375), (3, 6131125), (5, 3678675), (7, 2627625), (11, 1672125), (13, 1414875), (15, 1226225), (21, 875875), (25, 735735), (33, 557375), (35, 525525), (39, 471625), (49, 375375), (55, 334425), (65, 282975), (75, 245245), (77, 238875), (91, 202125), (105, 175175), (125, 147147), (143, 128625), (147, 125125), (165, 111475), (175, 105105), (195, 94325), (231, 79625), (245, 75075), (273, 67375), (275, 66885), (325, 56595), (343, 53625), (375, 49049), (385, 47775), (429, 42875), (455, 40425), (525, 35035), (539, 34125), (637, 28875), (715, 25725), (735, 25025), (825, 22295), (875, 21021), (975, 18865), (1001, 18375), (1029, 17875), (1155, 15925), (1225, 15015), (1365, 13475), (1375, 13377), (1617, 11375), (1625, 11319), (1715, 10725), (1911, 9625), (1925, 9555), (2145, 8575), (2275, 8085), (2625, 7007), (2695, 6825), (3003, 6125), (3185, 5775), (3575, 5145), (3675, 5005), (3773, 4875), (4125, 4459)]