120771891

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{13679}}^1$

素因数の和:13800

約数の個数: 20

約数和(自身を含む): 182080800

約数和(自身を除く): 61308909

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 13679, 41037, 123111, 369333, 1107999, 1491011, 4473033, 13419099, 40257297, 120771891]

約数ペア:

[(1, 120771891), (3, 40257297), (9, 13419099), (27, 4473033), (81, 1491011), (109, 1107999), (327, 369333), (981, 123111), (2943, 41037), (8829, 13679)]