71834505

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 117089280

約数和(自身を除く): 45254775

約数列:

[1, 3, 5, 15, 131, 139, 263, 393, 417, 655, 695, 789, 1315, 1965, 2085, 3945, 18209, 34453, 36557, 54627, 91045, 103359, 109671, 172265, 182785, 273135, 516795, 548355, 4788967, 14366901, 23944835, 71834505]

約数ペア:

[(1, 71834505), (3, 23944835), (5, 14366901), (15, 4788967), (131, 548355), (139, 516795), (263, 273135), (393, 182785), (417, 172265), (655, 109671), (695, 103359), (789, 91045), (1315, 54627), (1965, 36557), (2085, 34453), (3945, 18209)]