87197013

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{19813}}^1$

素因数の和:19985

約数の個数: 16

約数和(自身を含む): 129979840

約数和(自身を除く): 42782827

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 19813, 59439, 178317, 534951, 3229519, 9688557, 29065671, 87197013]

約数ペア:

[(1, 87197013), (3, 29065671), (9, 9688557), (27, 3229519), (163, 534951), (489, 178317), (1467, 59439), (4401, 19813)]