2557995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 4596480

約数和(自身を除く): 2038485

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 419, 555, 1221, 1257, 2035, 2095, 4609, 6105, 6285, 13827, 15503, 23045, 46509, 69135, 77515, 170533, 232545, 511599, 852665, 2557995]

約数ペア:

[(1, 2557995), (3, 852665), (5, 511599), (11, 232545), (15, 170533), (33, 77515), (37, 69135), (55, 46509), (111, 23045), (165, 15503), (185, 13827), (407, 6285), (419, 6105), (555, 4609), (1221, 2095), (1257, 2035)]