1820929617

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{40009}}^1$

素因数の和:40417

約数の個数: 24

約数和(自身を含む): 2839909800

約数和(自身を除く): 1018980183

約数列:

[1, 3, 9, 13, 39, 117, 389, 1167, 3501, 5057, 15171, 40009, 45513, 120027, 360081, 520117, 1560351, 4681053, 15563501, 46690503, 140071509, 202325513, 606976539, 1820929617]

約数ペア:

[(1, 1820929617), (3, 606976539), (9, 202325513), (13, 140071509), (39, 46690503), (117, 15563501), (389, 4681053), (1167, 1560351), (3501, 520117), (5057, 360081), (15171, 120027), (40009, 45513)]