222208839

素因数分解:

$3^4\times {\mathrm{809}}^1\times {\mathrm{3391}}^1$

素因数の和:4212

約数の個数: 20

約数和(自身を含む): 332449920

約数和(自身を除く): 110241081

約数列:

[1, 3, 9, 27, 81, 809, 2427, 3391, 7281, 10173, 21843, 30519, 65529, 91557, 274671, 2743319, 8229957, 24689871, 74069613, 222208839]

約数ペア:

[(1, 222208839), (3, 74069613), (9, 24689871), (27, 8229957), (81, 2743319), (809, 274671), (2427, 91557), (3391, 65529), (7281, 30519), (10173, 21843)]