28356339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 42624000

約数和(自身を除く): 14267661

約数列:

[1, 3, 11, 33, 73, 79, 149, 219, 237, 447, 803, 869, 1639, 2409, 2607, 4917, 5767, 10877, 11771, 17301, 32631, 35313, 63437, 119647, 129481, 190311, 358941, 388443, 859283, 2577849, 9452113, 28356339]

約数ペア:

[(1, 28356339), (3, 9452113), (11, 2577849), (33, 859283), (73, 388443), (79, 358941), (149, 190311), (219, 129481), (237, 119647), (447, 63437), (803, 35313), (869, 32631), (1639, 17301), (2409, 11771), (2607, 10877), (4917, 5767)]