220178979

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:617

約数の個数: 40

約数和(自身を含む): 339802848

約数和(自身を除く): 119623869

約数列:

[1, 3, 9, 27, 41, 81, 123, 167, 369, 397, 501, 1107, 1191, 1503, 3321, 3573, 4509, 6847, 10719, 13527, 16277, 20541, 32157, 48831, 61623, 66299, 146493, 184869, 198897, 439479, 554607, 596691, 1318437, 1790073, 2718259, 5370219, 8154777, 24464331, 73392993, 220178979]

約数ペア:

[(1, 220178979), (3, 73392993), (9, 24464331), (27, 8154777), (41, 5370219), (81, 2718259), (123, 1790073), (167, 1318437), (369, 596691), (397, 554607), (501, 439479), (1107, 198897), (1191, 184869), (1503, 146493), (3321, 66299), (3573, 61623), (4509, 48831), (6847, 32157), (10719, 20541), (13527, 16277)]