15721730505

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{39119}}^1$

素因数の和:39375

約数の個数: 64

約数和(自身を含む): 30231936000

約数和(自身を除く): 14510205495

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 229, 351, 585, 687, 1145, 1755, 2061, 2977, 3435, 6183, 8931, 10305, 14885, 26793, 30915, 39119, 44655, 80379, 117357, 133965, 195595, 352071, 401895, 508547, 586785, 1056213, 1525641, 1760355, 2542735, 4576923, 5281065, 7628205, 8958251, 13730769, 22884615, 26874753, 44791255, 68653845, 80624259, 116457263, 134373765, 241872777, 349371789, 403121295, 582286315, 1048115367, 1209363885, 1746858945, 3144346101, 5240576835, 15721730505]

約数ペア:

[(1, 15721730505), (3, 5240576835), (5, 3144346101), (9, 1746858945), (13, 1209363885), (15, 1048115367), (27, 582286315), (39, 403121295), (45, 349371789), (65, 241872777), (117, 134373765), (135, 116457263), (195, 80624259), (229, 68653845), (351, 44791255), (585, 26874753), (687, 22884615), (1145, 13730769), (1755, 8958251), (2061, 7628205), (2977, 5281065), (3435, 4576923), (6183, 2542735), (8931, 1760355), (10305, 1525641), (14885, 1056213), (26793, 586785), (30915, 508547), (39119, 401895), (44655, 352071), (80379, 195595), (117357, 133965)]