221472711

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 344034944

約数和(自身を除く): 122562233

約数列:

[1, 3, 9, 27, 31, 81, 93, 193, 279, 457, 579, 837, 1371, 1737, 2511, 4113, 5211, 5983, 12339, 14167, 15633, 17949, 37017, 42501, 53847, 88201, 127503, 161541, 264603, 382509, 484623, 793809, 1147527, 2381427, 2734231, 7144281, 8202693, 24608079, 73824237, 221472711]

約数ペア:

[(1, 221472711), (3, 73824237), (9, 24608079), (27, 8202693), (31, 7144281), (81, 2734231), (93, 2381427), (193, 1147527), (279, 793809), (457, 484623), (579, 382509), (837, 264603), (1371, 161541), (1737, 127503), (2511, 88201), (4113, 53847), (5211, 42501), (5983, 37017), (12339, 17949), (14167, 15633)]