16900443

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2017}}^1$

素因数の和:2056

約数の個数: 36

約数和(自身を含む): 29906760

約数和(自身を除く): 13006317

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2017, 2793, 6051, 8379, 14119, 18153, 38323, 42357, 98833, 114969, 127071, 268261, 296499, 344907, 804783, 889497, 1877827, 2414349, 5633481, 16900443]

約数ペア:

[(1, 16900443), (3, 5633481), (7, 2414349), (9, 1877827), (19, 889497), (21, 804783), (49, 344907), (57, 296499), (63, 268261), (133, 127071), (147, 114969), (171, 98833), (399, 42357), (441, 38323), (931, 18153), (1197, 14119), (2017, 8379), (2793, 6051)]