56913921

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{24229}}^1$

素因数の和:24270

約数の個数: 20

約数和(自身を含む): 87954900

約数和(自身を除く): 31040979

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 24229, 72687, 218061, 654183, 702641, 1962549, 2107923, 6323769, 18971307, 56913921]

約数ペア:

[(1, 56913921), (3, 18971307), (9, 6323769), (27, 2107923), (29, 1962549), (81, 702641), (87, 654183), (261, 218061), (783, 72687), (2349, 24229)]