79687515

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 132249600

約数和(自身を除く): 52562085

約数列:

[1, 3, 5, 15, 31, 93, 155, 409, 419, 465, 1227, 1257, 2045, 2095, 6135, 6285, 12679, 12989, 38037, 38967, 63395, 64945, 171371, 190185, 194835, 514113, 856855, 2570565, 5312501, 15937503, 26562505, 79687515]

約数ペア:

[(1, 79687515), (3, 26562505), (5, 15937503), (15, 5312501), (31, 2570565), (93, 856855), (155, 514113), (409, 194835), (419, 190185), (465, 171371), (1227, 64945), (1257, 63395), (2045, 38967), (2095, 38037), (6135, 12989), (6285, 12679)]