128216337

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 179356320

約数和(自身を除く): 51139983

約数列:

[1, 3, 29, 87, 89, 267, 571, 841, 1713, 2523, 2581, 7743, 16559, 49677, 50819, 74849, 152457, 224547, 480211, 1440633, 1473751, 4421253, 42738779, 128216337]

約数ペア:

[(1, 128216337), (3, 42738779), (29, 4421253), (87, 1473751), (89, 1440633), (267, 480211), (571, 224547), (841, 152457), (1713, 74849), (2523, 50819), (2581, 49677), (7743, 16559)]