208047045

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2963}}^1$

素因数の和:3153

約数の個数: 32

約数和(自身を含む): 346005504

約数和(自身を除く): 137958459

約数列:

[1, 3, 5, 15, 31, 93, 151, 155, 453, 465, 755, 2265, 2963, 4681, 8889, 14043, 14815, 23405, 44445, 70215, 91853, 275559, 447413, 459265, 1342239, 1377795, 2237065, 6711195, 13869803, 41609409, 69349015, 208047045]

約数ペア:

[(1, 208047045), (3, 69349015), (5, 41609409), (15, 13869803), (31, 6711195), (93, 2237065), (151, 1377795), (155, 1342239), (453, 459265), (465, 447413), (755, 275559), (2265, 91853), (2963, 70215), (4681, 44445), (8889, 23405), (14043, 14815)]