1640594709

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{1399}}^1$

素因数の和:1691

約数の個数: 48

約数和(自身を含む): 2643984000

約数和(自身を除く): 1003389291

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 257, 351, 507, 771, 1399, 1521, 2313, 3341, 4197, 4563, 6939, 10023, 12591, 18187, 30069, 37773, 43433, 54561, 90207, 130299, 163683, 236431, 359543, 390897, 491049, 709293, 1078629, 1172691, 2127879, 3235887, 4674059, 6383637, 9707661, 14022177, 42066531, 60762767, 126199593, 182288301, 546864903, 1640594709]

約数ペア:

[(1, 1640594709), (3, 546864903), (9, 182288301), (13, 126199593), (27, 60762767), (39, 42066531), (117, 14022177), (169, 9707661), (257, 6383637), (351, 4674059), (507, 3235887), (771, 2127879), (1399, 1172691), (1521, 1078629), (2313, 709293), (3341, 491049), (4197, 390897), (4563, 359543), (6939, 236431), (10023, 163683), (12591, 130299), (18187, 90207), (30069, 54561), (37773, 43433)]