156671697

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{887}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 257789952

約数和(自身を除く): 101118255

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 647, 887, 1941, 2661, 4529, 6209, 8411, 11531, 13587, 18627, 25233, 34593, 58877, 80717, 176631, 242151, 573889, 1721667, 4017223, 7460557, 12051669, 22381671, 52223899, 156671697]

約数ペア:

[(1, 156671697), (3, 52223899), (7, 22381671), (13, 12051669), (21, 7460557), (39, 4017223), (91, 1721667), (273, 573889), (647, 242151), (887, 176631), (1941, 80717), (2661, 58877), (4529, 34593), (6209, 25233), (8411, 18627), (11531, 13587)]