201867831

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 328872960

約数和(自身を除く): 127005129

約数列:

[1, 3, 9, 11, 33, 53, 79, 99, 159, 237, 477, 487, 583, 711, 869, 1461, 1749, 2607, 4187, 4383, 5247, 5357, 7821, 12561, 16071, 25811, 37683, 38473, 46057, 48213, 77433, 115419, 138171, 232299, 283921, 346257, 414513, 423203, 851763, 1269609, 2039069, 2555289, 3808827, 6117207, 18351621, 22429759, 67289277, 201867831]

約数ペア:

[(1, 201867831), (3, 67289277), (9, 22429759), (11, 18351621), (33, 6117207), (53, 3808827), (79, 2555289), (99, 2039069), (159, 1269609), (237, 851763), (477, 423203), (487, 414513), (583, 346257), (711, 283921), (869, 232299), (1461, 138171), (1749, 115419), (2607, 77433), (4187, 48213), (4383, 46057), (5247, 38473), (5357, 37683), (7821, 25811), (12561, 16071)]