27781065

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{281}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 52350480

約数和(自身を除く): 24569415

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 281, 507, 585, 843, 845, 1405, 1521, 2197, 2529, 2535, 3653, 4215, 6591, 7605, 10959, 10985, 12645, 18265, 19773, 32877, 32955, 47489, 54795, 98865, 142467, 164385, 237445, 427401, 617357, 712335, 1852071, 2137005, 3086785, 5556213, 9260355, 27781065]

約数ペア:

[(1, 27781065), (3, 9260355), (5, 5556213), (9, 3086785), (13, 2137005), (15, 1852071), (39, 712335), (45, 617357), (65, 427401), (117, 237445), (169, 164385), (195, 142467), (281, 98865), (507, 54795), (585, 47489), (843, 32955), (845, 32877), (1405, 19773), (1521, 18265), (2197, 12645), (2529, 10985), (2535, 10959), (3653, 7605), (4215, 6591)]