209919693

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{15149}}^1$

素因数の和:15332

約数の個数: 16

約数和(自身を含む): 290880000

約数和(自身を除く): 80960307

約数列:

[1, 3, 31, 93, 149, 447, 4619, 13857, 15149, 45447, 469619, 1408857, 2257201, 6771603, 69973231, 209919693]

約数ペア:

[(1, 209919693), (3, 69973231), (31, 6771603), (93, 2257201), (149, 1408857), (447, 469619), (4619, 45447), (13857, 15149)]