201090981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4519}}^1$

素因数の和:4705

約数の個数: 32

約数和(自身を含む): 332093440

約数和(自身を除く): 131002459

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 489, 1141, 2119, 3423, 4519, 6357, 13557, 14833, 31633, 44499, 58747, 94899, 176241, 411229, 736597, 1233687, 2209791, 5156179, 9575761, 15468537, 28727283, 67030327, 201090981]

約数ペア:

[(1, 201090981), (3, 67030327), (7, 28727283), (13, 15468537), (21, 9575761), (39, 5156179), (91, 2209791), (163, 1233687), (273, 736597), (489, 411229), (1141, 176241), (2119, 94899), (3423, 58747), (4519, 44499), (6357, 31633), (13557, 14833)]