71680521

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{547}}^1$

素因数の和:610

約数の個数: 36

約数和(自身を含む): 111075216

約数和(自身を除く): 39394695

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 361, 363, 547, 627, 1083, 1641, 2299, 3971, 6017, 6897, 10393, 11913, 18051, 31179, 43681, 66187, 114323, 131043, 197467, 198561, 342969, 592401, 1257553, 2172137, 3772659, 6516411, 23893507, 71680521]

約数ペア:

[(1, 71680521), (3, 23893507), (11, 6516411), (19, 3772659), (33, 2172137), (57, 1257553), (121, 592401), (209, 342969), (361, 198561), (363, 197467), (547, 131043), (627, 114323), (1083, 66187), (1641, 43681), (2299, 31179), (3971, 18051), (6017, 11913), (6897, 10393)]