389877327

素因数分解:

$3^3\times 7^1\times {\mathrm{2062843}}^1$

素因数の和:2062859

約数の個数: 16

約数和(自身を含む): 660110080

約数和(自身を除く): 270232753

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2062843, 6188529, 14439901, 18565587, 43319703, 55696761, 129959109, 389877327]

約数ペア:

[(1, 389877327), (3, 129959109), (7, 55696761), (9, 43319703), (21, 18565587), (27, 14439901), (63, 6188529), (189, 2062843)]