87707775

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 149276160

約数和(自身を除く): 61568385

約数列:

[1, 3, 5, 15, 25, 75, 79, 113, 131, 237, 339, 393, 395, 565, 655, 1185, 1695, 1965, 1975, 2825, 3275, 5925, 8475, 8927, 9825, 10349, 14803, 26781, 31047, 44409, 44635, 51745, 74015, 133905, 155235, 222045, 223175, 258725, 370075, 669525, 776175, 1110225, 1169437, 3508311, 5847185, 17541555, 29235925, 87707775]

約数ペア:

[(1, 87707775), (3, 29235925), (5, 17541555), (15, 5847185), (25, 3508311), (75, 1169437), (79, 1110225), (113, 776175), (131, 669525), (237, 370075), (339, 258725), (393, 223175), (395, 222045), (565, 155235), (655, 133905), (1185, 74015), (1695, 51745), (1965, 44635), (1975, 44409), (2825, 31047), (3275, 26781), (5925, 14803), (8475, 10349), (8927, 9825)]