7280217

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1583}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 12190464

約数和(自身を除く): 4910247

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 1583, 4599, 4749, 11081, 14247, 33243, 99729, 115559, 346677, 808913, 1040031, 2426739, 7280217]

約数ペア:

[(1, 7280217), (3, 2426739), (7, 1040031), (9, 808913), (21, 346677), (63, 115559), (73, 99729), (219, 33243), (511, 14247), (657, 11081), (1533, 4749), (1583, 4599)]