201431307

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2897}}^1$

素因数の和:2968

約数の個数: 48

約数和(自身を含む): 348872832

約数和(自身を除く): 147441525

約数列:

[1, 3, 7, 11, 21, 33, 43, 49, 77, 129, 147, 231, 301, 473, 539, 903, 1419, 1617, 2107, 2897, 3311, 6321, 8691, 9933, 20279, 23177, 31867, 60837, 69531, 95601, 124571, 141953, 223069, 373713, 425859, 669207, 871997, 1370281, 1561483, 2615991, 4110843, 4684449, 6103979, 9591967, 18311937, 28775901, 67143769, 201431307]

約数ペア:

[(1, 201431307), (3, 67143769), (7, 28775901), (11, 18311937), (21, 9591967), (33, 6103979), (43, 4684449), (49, 4110843), (77, 2615991), (129, 1561483), (147, 1370281), (231, 871997), (301, 669207), (473, 425859), (539, 373713), (903, 223069), (1419, 141953), (1617, 124571), (2107, 95601), (2897, 69531), (3311, 60837), (6321, 31867), (8691, 23177), (9933, 20279)]