9989985

素因数分解:

$3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1039}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 16024320

約数和(自身を除く): 6034335

約数列:

[1, 3, 5, 15, 641, 1039, 1923, 3117, 3205, 5195, 9615, 15585, 665999, 1997997, 3329995, 9989985]

約数ペア:

[(1, 9989985), (3, 3329995), (5, 1997997), (15, 665999), (641, 15585), (1039, 9615), (1923, 5195), (3117, 3205)]