278312697

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{10667}}^1$

素因数の和:10909

約数の個数: 24

約数和(自身を含む): 434913024

約数和(自身を除く): 156600327

約数列:

[1, 3, 9, 13, 39, 117, 223, 669, 2007, 2899, 8697, 10667, 26091, 32001, 96003, 138671, 416013, 1248039, 2378741, 7136223, 21408669, 30923633, 92770899, 278312697]

約数ペア:

[(1, 278312697), (3, 92770899), (9, 30923633), (13, 21408669), (39, 7136223), (117, 2378741), (223, 1248039), (669, 416013), (2007, 138671), (2899, 96003), (8697, 32001), (10667, 26091)]