29257137

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 52590720

約数和(自身を除く): 23333583

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 139, 257, 273, 417, 771, 819, 973, 1251, 1799, 1807, 2313, 2919, 3341, 5397, 5421, 8757, 10023, 12649, 16191, 16263, 23387, 30069, 35723, 37947, 70161, 107169, 113841, 210483, 250061, 321507, 464399, 750183, 1393197, 2250549, 3250793, 4179591, 9752379, 29257137]

約数ペア:

[(1, 29257137), (3, 9752379), (7, 4179591), (9, 3250793), (13, 2250549), (21, 1393197), (39, 750183), (63, 464399), (91, 321507), (117, 250061), (139, 210483), (257, 113841), (273, 107169), (417, 70161), (771, 37947), (819, 35723), (973, 30069), (1251, 23387), (1799, 16263), (1807, 16191), (2313, 12649), (2919, 10023), (3341, 8757), (5397, 5421)]