208084245

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{6679}}^1$

素因数の和:6785

約数の個数: 32

約数和(自身を含む): 348856320

約数和(自身を除く): 140772075

約数列:

[1, 3, 5, 15, 31, 67, 93, 155, 201, 335, 465, 1005, 2077, 6231, 6679, 10385, 20037, 31155, 33395, 100185, 207049, 447493, 621147, 1035245, 1342479, 2237465, 3105735, 6712395, 13872283, 41616849, 69361415, 208084245]

約数ペア:

[(1, 208084245), (3, 69361415), (5, 41616849), (15, 13872283), (31, 6712395), (67, 3105735), (93, 2237465), (155, 1342479), (201, 1035245), (335, 621147), (465, 447493), (1005, 207049), (2077, 100185), (6231, 33395), (6679, 31155), (10385, 20037)]