12205971

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4904

約数の個数: 20

約数和(自身を含む): 18825664

約数和(自身を除く): 6619693

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 4861, 14583, 43749, 131247, 150691, 393741, 452073, 1356219, 4068657, 12205971]

約数ペア:

[(1, 12205971), (3, 4068657), (9, 1356219), (27, 452073), (31, 393741), (81, 150691), (93, 131247), (279, 43749), (837, 14583), (2511, 4861)]