12986973

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{6971}}^1$

素因数の和:7006

約数の個数: 20

約数和(自身を含む): 20246688

約数和(自身を除く): 7259715

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 6971, 20913, 62739, 160333, 188217, 480999, 564651, 1442997, 4328991, 12986973]

約数ペア:

[(1, 12986973), (3, 4328991), (9, 1442997), (23, 564651), (27, 480999), (69, 188217), (81, 160333), (207, 62739), (621, 20913), (1863, 6971)]