16664427

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 26832960

約数和(自身を除く): 10168533

約数列:

[1, 3, 9, 13, 27, 39, 117, 197, 241, 351, 591, 723, 1773, 2169, 2561, 3133, 5319, 6507, 7683, 9399, 23049, 28197, 47477, 69147, 84591, 142431, 427293, 617201, 1281879, 1851603, 5554809, 16664427]

約数ペア:

[(1, 16664427), (3, 5554809), (9, 1851603), (13, 1281879), (27, 617201), (39, 427293), (117, 142431), (197, 84591), (241, 69147), (351, 47477), (591, 28197), (723, 23049), (1773, 9399), (2169, 7683), (2561, 6507), (3133, 5319)]