28784835

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2699}}^1$

素因数の和:2792

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 23055165

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 2133, 2699, 3555, 8097, 10665, 13495, 24291, 40485, 72873, 121455, 213221, 364365, 639663, 1066105, 1918989, 3198315, 5756967, 9594945, 28784835]

約数ペア:

[(1, 28784835), (3, 9594945), (5, 5756967), (9, 3198315), (15, 1918989), (27, 1066105), (45, 639663), (79, 364365), (135, 213221), (237, 121455), (395, 72873), (711, 40485), (1185, 24291), (2133, 13495), (2699, 10665), (3555, 8097)]