128975325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3121}}^1$

素因数の和:3182

約数の個数: 48

約数和(自身を含む): 232276800

約数和(自身を除く): 103301475

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 435, 475, 551, 725, 1425, 1653, 2175, 2755, 3121, 8265, 9363, 13775, 15605, 41325, 46815, 59299, 78025, 90509, 177897, 234075, 271527, 296495, 452545, 889485, 1357635, 1482475, 1719671, 2262725, 4447425, 5159013, 6788175, 8598355, 25795065, 42991775, 128975325]

約数ペア:

[(1, 128975325), (3, 42991775), (5, 25795065), (15, 8598355), (19, 6788175), (25, 5159013), (29, 4447425), (57, 2262725), (75, 1719671), (87, 1482475), (95, 1357635), (145, 889485), (285, 452545), (435, 296495), (475, 271527), (551, 234075), (725, 177897), (1425, 90509), (1653, 78025), (2175, 59299), (2755, 46815), (3121, 41325), (8265, 15605), (9363, 13775)]