51640389

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{599}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 79872000

約数和(自身を除く): 28231611

約数列:

[1, 3, 9, 27, 31, 93, 103, 279, 309, 599, 837, 927, 1797, 2781, 3193, 5391, 9579, 16173, 18569, 28737, 55707, 61697, 86211, 167121, 185091, 501363, 555273, 1665819, 1912607, 5737821, 17213463, 51640389]

約数ペア:

[(1, 51640389), (3, 17213463), (9, 5737821), (27, 1912607), (31, 1665819), (93, 555273), (103, 501363), (279, 185091), (309, 167121), (599, 86211), (837, 61697), (927, 55707), (1797, 28737), (2781, 18569), (3193, 16173), (5391, 9579)]