81532221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{6689}}^1$

素因数の和:6948

約数の個数: 16

約数和(自身を含む): 115603200

約数和(自身を除く): 34070979

約数列:

[1, 3, 17, 51, 239, 717, 4063, 6689, 12189, 20067, 113713, 341139, 1598671, 4796013, 27177407, 81532221]

約数ペア:

[(1, 81532221), (3, 27177407), (17, 4796013), (51, 1598671), (239, 341139), (717, 113713), (4063, 20067), (6689, 12189)]