215558007

素因数分解:

$3^1\times 7^3\times {\mathrm{271}}^1\times {\mathrm{773}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 336844800

約数和(自身を除く): 121286793

約数列:

[1, 3, 7, 21, 49, 147, 271, 343, 773, 813, 1029, 1897, 2319, 5411, 5691, 13279, 16233, 37877, 39837, 92953, 113631, 209483, 265139, 278859, 628449, 795417, 1466381, 4399143, 10264667, 30794001, 71852669, 215558007]

約数ペア:

[(1, 215558007), (3, 71852669), (7, 30794001), (21, 10264667), (49, 4399143), (147, 1466381), (271, 795417), (343, 628449), (773, 278859), (813, 265139), (1029, 209483), (1897, 113631), (2319, 92953), (5411, 39837), (5691, 37877), (13279, 16233)]