156965277

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{20147}}^1$

素因数の和:20217

約数の個数: 24

約数和(自身を含む): 248062176

約数和(自身を除く): 91096899

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 20147, 60441, 141029, 423087, 987203, 1067791, 2961609, 3203373, 7474537, 22423611, 52321759, 156965277]

約数ペア:

[(1, 156965277), (3, 52321759), (7, 22423611), (21, 7474537), (49, 3203373), (53, 2961609), (147, 1067791), (159, 987203), (371, 423087), (1113, 141029), (2597, 60441), (7791, 20147)]