87771411

素因数分解:

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

素因数の和:425

約数の個数: 64

約数和(自身を含む): 161817600

約数和(自身を除く): 74046189

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 139, 189, 257, 273, 351, 417, 771, 819, 973, 1251, 1799, 1807, 2313, 2457, 2919, 3341, 3753, 5397, 5421, 6939, 8757, 10023, 12649, 16191, 16263, 23387, 26271, 30069, 35723, 37947, 48573, 48789, 70161, 90207, 107169, 113841, 210483, 250061, 321507, 341523, 464399, 631449, 750183, 964521, 1393197, 2250549, 3250793, 4179591, 6751647, 9752379, 12538773, 29257137, 87771411]

約数ペア:

[(1, 87771411), (3, 29257137), (7, 12538773), (9, 9752379), (13, 6751647), (21, 4179591), (27, 3250793), (39, 2250549), (63, 1393197), (91, 964521), (117, 750183), (139, 631449), (189, 464399), (257, 341523), (273, 321507), (351, 250061), (417, 210483), (771, 113841), (819, 107169), (973, 90207), (1251, 70161), (1799, 48789), (1807, 48573), (2313, 37947), (2457, 35723), (2919, 30069), (3341, 26271), (3753, 23387), (5397, 16263), (5421, 16191), (6939, 12649), (8757, 10023)]