220178679

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{911}}^1$

素因数の和:1615

約数の個数: 32

約数和(自身を含む): 356161536

約数和(自身を除く): 135982857

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 677, 911, 2031, 2733, 4739, 6377, 11509, 14217, 15487, 19131, 34527, 46461, 80563, 108409, 241689, 325227, 616747, 1850241, 4317229, 10484699, 12951687, 31454097, 73392893, 220178679]

約数ペア:

[(1, 220178679), (3, 73392893), (7, 31454097), (17, 12951687), (21, 10484699), (51, 4317229), (119, 1850241), (357, 616747), (677, 325227), (911, 241689), (2031, 108409), (2733, 80563), (4739, 46461), (6377, 34527), (11509, 19131), (14217, 15487)]