252912591

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4523}}^1$

素因数の和:4660

約数の個数: 32

約数和(自身を含む): 398112000

約数和(自身を除く): 145199409

約数列:

[1, 3, 9, 19, 27, 57, 109, 171, 327, 513, 981, 2071, 2943, 4523, 6213, 13569, 18639, 40707, 55917, 85937, 122121, 257811, 493007, 773433, 1479021, 2320299, 4437063, 9367133, 13311189, 28101399, 84304197, 252912591]

約数ペア:

[(1, 252912591), (3, 84304197), (9, 28101399), (19, 13311189), (27, 9367133), (57, 4437063), (109, 2320299), (171, 1479021), (327, 773433), (513, 493007), (981, 257811), (2071, 122121), (2943, 85937), (4523, 55917), (6213, 40707), (13569, 18639)]