31805319

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1031}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 52706304

約数和(自身を除く): 20900985

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 791, 1031, 1469, 2373, 3093, 4407, 7217, 10283, 13403, 21651, 30849, 40209, 93821, 116503, 281463, 349509, 815521, 1514539, 2446563, 4543617, 10601773, 31805319]

約数ペア:

[(1, 31805319), (3, 10601773), (7, 4543617), (13, 2446563), (21, 1514539), (39, 815521), (91, 349509), (113, 281463), (273, 116503), (339, 93821), (791, 40209), (1031, 30849), (1469, 21651), (2373, 13403), (3093, 10283), (4407, 7217)]