1982253

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 3338496

約数和(自身を除く): 1356243

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 137, 159, 273, 371, 411, 689, 959, 1113, 1781, 2067, 2877, 4823, 5343, 7261, 12467, 14469, 21783, 37401, 50827, 94393, 152481, 283179, 660751, 1982253]

約数ペア:

[(1, 1982253), (3, 660751), (7, 283179), (13, 152481), (21, 94393), (39, 50827), (53, 37401), (91, 21783), (137, 14469), (159, 12467), (273, 7261), (371, 5343), (411, 4823), (689, 2877), (959, 2067), (1113, 1781)]