1215697847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1999}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 1542912000

約数和(自身を除く): 327214153

約数列:

[1, 7, 13, 41, 91, 163, 287, 533, 1141, 1999, 2119, 3731, 6683, 13993, 14833, 25987, 46781, 81959, 86879, 181909, 325837, 573713, 608153, 1065467, 2280859, 4235881, 7458269, 13359317, 29651167, 93515219, 173671121, 1215697847]

約数ペア:

[(1, 1215697847), (7, 173671121), (13, 93515219), (41, 29651167), (91, 13359317), (163, 7458269), (287, 4235881), (533, 2280859), (1141, 1065467), (1999, 608153), (2119, 573713), (3731, 325837), (6683, 181909), (13993, 86879), (14833, 81959), (25987, 46781)]