220132485

素因数分解:

$3^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 406667520

約数和(自身を除く): 186535035

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 491, 615, 729, 1107, 1215, 1473, 1845, 2187, 2455, 3321, 3645, 4419, 5535, 7365, 9963, 10935, 13257, 16605, 20131, 22095, 29889, 39771, 49815, 60393, 66285, 89667, 100655, 119313, 149445, 181179, 198855, 301965, 357939, 448335, 543537, 596565, 905895, 1073817, 1630611, 1789695, 2717685, 4891833, 5369085, 8153055, 14675499, 24459165, 44026497, 73377495, 220132485]

約数ペア:

[(1, 220132485), (3, 73377495), (5, 44026497), (9, 24459165), (15, 14675499), (27, 8153055), (41, 5369085), (45, 4891833), (81, 2717685), (123, 1789695), (135, 1630611), (205, 1073817), (243, 905895), (369, 596565), (405, 543537), (491, 448335), (615, 357939), (729, 301965), (1107, 198855), (1215, 181179), (1473, 149445), (1845, 119313), (2187, 100655), (2455, 89667), (3321, 66285), (3645, 60393), (4419, 49815), (5535, 39771), (7365, 29889), (9963, 22095), (10935, 20131), (13257, 16605)]