189939681

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{305861}}^1$

素因数の和:305893

約数の個数: 16

約数和(自身を含む): 293627520

約数和(自身を除く): 103687839

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 305861, 917583, 2752749, 7034803, 8258247, 21104409, 63313227, 189939681]

約数ペア:

[(1, 189939681), (3, 63313227), (9, 21104409), (23, 8258247), (27, 7034803), (69, 2752749), (207, 917583), (621, 305861)]