28660863

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2341}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 48563712

約数和(自身を除く): 19902849

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 2341, 4081, 7023, 12243, 16387, 25751, 49161, 77253, 124073, 180257, 372219, 540771, 868511, 1364803, 2605533, 4094409, 9553621, 28660863]

約数ペア:

[(1, 28660863), (3, 9553621), (7, 4094409), (11, 2605533), (21, 1364803), (33, 868511), (53, 540771), (77, 372219), (159, 180257), (231, 124073), (371, 77253), (583, 49161), (1113, 25751), (1749, 16387), (2341, 12243), (4081, 7023)]