81393675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{8969}}^1$

素因数の和:9004

約数の個数: 36

約数和(自身を含む): 147933240

約数和(自身を除く): 66539565

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 825, 1815, 3025, 8969, 9075, 26907, 44845, 98659, 134535, 224225, 295977, 493295, 672675, 1085249, 1479885, 2466475, 3255747, 5426245, 7399425, 16278735, 27131225, 81393675]

約数ペア:

[(1, 81393675), (3, 27131225), (5, 16278735), (11, 7399425), (15, 5426245), (25, 3255747), (33, 2466475), (55, 1479885), (75, 1085249), (121, 672675), (165, 493295), (275, 295977), (363, 224225), (605, 134535), (825, 98659), (1815, 44845), (3025, 26907), (8969, 9075)]