64521981

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{23201}}^1$

素因数の和:23313

約数の個数: 16

約数和(自身を含む): 96520320

約数和(自身を除く): 31998339

約数列:

[1, 3, 9, 27, 103, 309, 927, 2781, 23201, 69603, 208809, 626427, 2389703, 7169109, 21507327, 64521981]

約数ペア:

[(1, 64521981), (3, 21507327), (9, 7169109), (27, 2389703), (103, 626427), (309, 208809), (927, 69603), (2781, 23201)]