2100031305

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{663517}}^1$

素因数の和:663736

約数の個数: 16

約数和(自身を含む): 3375979584

約数和(自身を除く): 1275948279

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 663517, 1990551, 3317585, 9952755, 140002087, 420006261, 700010435, 2100031305]

約数ペア:

[(1, 2100031305), (3, 700010435), (5, 420006261), (15, 140002087), (211, 9952755), (633, 3317585), (1055, 1990551), (3165, 663517)]