210551601

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 307698048

約数和(自身を除く): 97146447

約数列:

[1, 3, 13, 39, 137, 157, 251, 411, 471, 753, 1781, 2041, 3263, 5343, 6123, 9789, 21509, 34387, 39407, 64527, 103161, 118221, 279617, 447031, 512291, 838851, 1341093, 1536873, 5398759, 16196277, 70183867, 210551601]

約数ペア:

[(1, 210551601), (3, 70183867), (13, 16196277), (39, 5398759), (137, 1536873), (157, 1341093), (251, 838851), (411, 512291), (471, 447031), (753, 279617), (1781, 118221), (2041, 103161), (3263, 64527), (5343, 39407), (6123, 34387), (9789, 21509)]