17905293

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1415

約数の個数: 40

約数和(自身を含む): 31920768

約数和(自身を除く): 14015475

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1373, 1449, 1863, 4119, 4347, 9611, 12357, 13041, 28833, 31579, 37071, 86499, 94737, 111213, 221053, 259497, 284211, 663159, 778491, 852633, 1989477, 2557899, 5968431, 17905293]

約数ペア:

[(1, 17905293), (3, 5968431), (7, 2557899), (9, 1989477), (21, 852633), (23, 778491), (27, 663159), (63, 284211), (69, 259497), (81, 221053), (161, 111213), (189, 94737), (207, 86499), (483, 37071), (567, 31579), (621, 28833), (1373, 13041), (1449, 12357), (1863, 9611), (4119, 4347)]