157528515

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{1223}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 261328896

約数和(自身を除く): 103800381

約数列:

[1, 3, 5, 15, 31, 93, 155, 277, 465, 831, 1223, 1385, 3669, 4155, 6115, 8587, 18345, 25761, 37913, 42935, 113739, 128805, 189565, 338771, 568695, 1016313, 1693855, 5081565, 10501901, 31505703, 52509505, 157528515]

約数ペア:

[(1, 157528515), (3, 52509505), (5, 31505703), (15, 10501901), (31, 5081565), (93, 1693855), (155, 1016313), (277, 568695), (465, 338771), (831, 189565), (1223, 128805), (1385, 113739), (3669, 42935), (4155, 37913), (6115, 25761), (8587, 18345)]