16913211

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 28675584

約数和(自身を除く): 11762373

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 97, 133, 161, 291, 361, 399, 437, 483, 679, 1083, 1311, 1843, 2037, 2231, 2527, 3059, 5529, 6693, 7581, 8303, 9177, 12901, 15617, 24909, 35017, 38703, 42389, 46851, 58121, 105051, 127167, 174363, 245119, 296723, 735357, 805391, 890169, 2416173, 5637737, 16913211]

約数ペア:

[(1, 16913211), (3, 5637737), (7, 2416173), (19, 890169), (21, 805391), (23, 735357), (57, 296723), (69, 245119), (97, 174363), (133, 127167), (161, 105051), (291, 58121), (361, 46851), (399, 42389), (437, 38703), (483, 35017), (679, 24909), (1083, 15617), (1311, 12901), (1843, 9177), (2037, 8303), (2231, 7581), (2527, 6693), (3059, 5529)]