87086997

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{733}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 129313184

約数和(自身を除く): 42226187

約数列:

[1, 3, 9, 43, 129, 307, 387, 733, 921, 2199, 2763, 6597, 13201, 31519, 39603, 94557, 118809, 225031, 283671, 675093, 2025279, 9676333, 29028999, 87086997]

約数ペア:

[(1, 87086997), (3, 29028999), (9, 9676333), (43, 2025279), (129, 675093), (307, 283671), (387, 225031), (733, 118809), (921, 94557), (2199, 39603), (2763, 31519), (6597, 13201)]