123975

素因数分解:

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

素因数の和:64

約数の個数: 36

約数和(自身を含む): 241800

約数和(自身を除く): 117825

約数列:

[1, 3, 5, 9, 15, 19, 25, 29, 45, 57, 75, 87, 95, 145, 171, 225, 261, 285, 435, 475, 551, 725, 855, 1305, 1425, 1653, 2175, 2755, 4275, 4959, 6525, 8265, 13775, 24795, 41325, 123975]

約数ペア:

[(1, 123975), (3, 41325), (5, 24795), (9, 13775), (15, 8265), (19, 6525), (25, 4959), (29, 4275), (45, 2755), (57, 2175), (75, 1653), (87, 1425), (95, 1305), (145, 855), (171, 725), (225, 551), (261, 475), (285, 435)]