857813865

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{80207}}^1$

素因数の和:80269

約数の個数: 32

約数和(自身を含む): 1478393856

約数和(自身を除く): 620579991

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 3565, 10695, 80207, 240621, 401035, 1203105, 1844761, 2486417, 5534283, 7459251, 9223805, 12432085, 27671415, 37296255, 57187591, 171562773, 285937955, 857813865]

約数ペア:

[(1, 857813865), (3, 285937955), (5, 171562773), (15, 57187591), (23, 37296255), (31, 27671415), (69, 12432085), (93, 9223805), (115, 7459251), (155, 5534283), (345, 2486417), (465, 1844761), (713, 1203105), (2139, 401035), (3565, 240621), (10695, 80207)]