78391731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^2$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 115867584

約数和(自身を除く): 37475853

約数列:

[1, 3, 11, 33, 107, 149, 321, 447, 1177, 1639, 3531, 4917, 15943, 22201, 47829, 66603, 175373, 244211, 526119, 732633, 2375507, 7126521, 26130577, 78391731]

約数ペア:

[(1, 78391731), (3, 26130577), (11, 7126521), (33, 2375507), (107, 732633), (149, 526119), (321, 244211), (447, 175373), (1177, 66603), (1639, 47829), (3531, 22201), (4917, 15943)]