1999491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 2897664

約数和(自身を除く): 898173

約数列:

[1, 3, 13, 39, 167, 307, 501, 921, 2171, 3991, 6513, 11973, 51269, 153807, 666497, 1999491]

約数ペア:

[(1, 1999491), (3, 666497), (13, 153807), (39, 51269), (167, 11973), (307, 6513), (501, 3991), (921, 2171)]