9900873

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:3986

約数の個数: 20

約数和(自身を含む): 15271168

約数和(自身を除く): 5370295

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 3943, 11829, 35487, 106461, 122233, 319383, 366699, 1100097, 3300291, 9900873]

約数ペア:

[(1, 9900873), (3, 3300291), (9, 1100097), (27, 366699), (31, 319383), (81, 122233), (93, 106461), (279, 35487), (837, 11829), (2511, 3943)]