19877263677

素因数分解:

$3^5\times {\mathrm{167}}^1\times {\mathrm{489817}}^1$

素因数の和:489999

約数の個数: 24

約数和(自身を含む): 29953350336

約数和(自身を除く): 10076086659

約数列:

[1, 3, 9, 27, 81, 167, 243, 501, 1503, 4509, 13527, 40581, 489817, 1469451, 4408353, 13225059, 39675177, 81799439, 119025531, 245398317, 736194951, 2208584853, 6625754559, 19877263677]

約数ペア:

[(1, 19877263677), (3, 6625754559), (9, 2208584853), (27, 736194951), (81, 245398317), (167, 119025531), (243, 81799439), (501, 39675177), (1503, 13225059), (4509, 4408353), (13527, 1469451), (40581, 489817)]