208055169

素因数分解:

$3^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{3517}}^1$

素因数の和:3846

約数の個数: 32

約数和(自身を含む): 353488640

約数和(自身を除く): 145433471

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 313, 939, 2191, 2817, 3517, 6573, 8451, 10551, 19719, 24619, 31653, 59157, 73857, 94959, 221571, 664713, 1100821, 3302463, 7705747, 9907389, 23117241, 29722167, 69351723, 208055169]

約数ペア:

[(1, 208055169), (3, 69351723), (7, 29722167), (9, 23117241), (21, 9907389), (27, 7705747), (63, 3302463), (189, 1100821), (313, 664713), (939, 221571), (2191, 94959), (2817, 73857), (3517, 59157), (6573, 31653), (8451, 24619), (10551, 19719)]