61285425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 108957312

約数和(自身を除く): 47671887

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 355, 425, 677, 1065, 1207, 1275, 1775, 2031, 3385, 3621, 5325, 6035, 10155, 11509, 16925, 18105, 30175, 34527, 48067, 50775, 57545, 90525, 144201, 172635, 240335, 287725, 721005, 817139, 863175, 1201675, 2451417, 3605025, 4085695, 12257085, 20428475, 61285425]

約数ペア:

[(1, 61285425), (3, 20428475), (5, 12257085), (15, 4085695), (17, 3605025), (25, 2451417), (51, 1201675), (71, 863175), (75, 817139), (85, 721005), (213, 287725), (255, 240335), (355, 172635), (425, 144201), (677, 90525), (1065, 57545), (1207, 50775), (1275, 48067), (1775, 34527), (2031, 30175), (3385, 18105), (3621, 16925), (5325, 11509), (6035, 10155)]