128394279

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{8377}}^1$

素因数の和:8527

約数の個数: 24

約数和(自身を含む): 201273072

約数和(自身を除く): 72878793

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1703, 5109, 8377, 15327, 25131, 75393, 108901, 326703, 980109, 1097387, 3292161, 9876483, 14266031, 42798093, 128394279]

約数ペア:

[(1, 128394279), (3, 42798093), (9, 14266031), (13, 9876483), (39, 3292161), (117, 1097387), (131, 980109), (393, 326703), (1179, 108901), (1703, 75393), (5109, 25131), (8377, 15327)]