68278869

素因数分解:

$3^6\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:656

約数の個数: 28

約数和(自身を含む): 103069900

約数和(自身を除く): 34791031

約数列:

[1, 3, 9, 27, 81, 229, 243, 409, 687, 729, 1227, 2061, 3681, 6183, 11043, 18549, 33129, 55647, 93661, 99387, 166941, 280983, 298161, 842949, 2528847, 7586541, 22759623, 68278869]

約数ペア:

[(1, 68278869), (3, 22759623), (9, 7586541), (27, 2528847), (81, 842949), (229, 298161), (243, 280983), (409, 166941), (687, 99387), (729, 93661), (1227, 55647), (2061, 33129), (3681, 18549), (6183, 11043)]