138698865

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23893}}^1$

素因数の和:23950

約数の個数: 32

約数和(自身を含む): 252320640

約数和(自身を除く): 113621775

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 23893, 71679, 119465, 215037, 358395, 645111, 1027399, 1075185, 3082197, 3225555, 5136995, 9246591, 15410985, 27739773, 46232955, 138698865]

約数ペア:

[(1, 138698865), (3, 46232955), (5, 27739773), (9, 15410985), (15, 9246591), (27, 5136995), (43, 3225555), (45, 3082197), (129, 1075185), (135, 1027399), (215, 645111), (387, 358395), (645, 215037), (1161, 119465), (1935, 71679), (5805, 23893)]