289898499

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2147

約数の個数: 32

約数和(自身を含む): 435020544

約数和(自身を除く): 145122045

約数列:

[1, 3, 11, 33, 53, 83, 159, 249, 583, 913, 1749, 1997, 2739, 4399, 5991, 13197, 21967, 48389, 65901, 105841, 145167, 165751, 317523, 497253, 1164251, 1823261, 3492753, 5469783, 8784803, 26354409, 96632833, 289898499]

約数ペア:

[(1, 289898499), (3, 96632833), (11, 26354409), (33, 8784803), (53, 5469783), (83, 3492753), (159, 1823261), (249, 1164251), (583, 497253), (913, 317523), (1749, 165751), (1997, 145167), (2739, 105841), (4399, 65901), (5991, 48389), (13197, 21967)]