81078699

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 119617344

約数和(自身を除く): 38538645

約数列:

[1, 3, 13, 39, 61, 173, 183, 197, 519, 591, 793, 2249, 2379, 2561, 6747, 7683, 10553, 12017, 31659, 34081, 36051, 102243, 137189, 156221, 411567, 443053, 468663, 1329159, 2078941, 6236823, 27026233, 81078699]

約数ペア:

[(1, 81078699), (3, 27026233), (13, 6236823), (39, 2078941), (61, 1329159), (173, 468663), (183, 443053), (197, 411567), (519, 156221), (591, 137189), (793, 102243), (2249, 36051), (2379, 34081), (2561, 31659), (6747, 12017), (7683, 10553)]