420161205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{941}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 721828224

約数和(自身を除く): 301667019

約数列:

[1, 3, 5, 15, 17, 51, 85, 103, 255, 289, 309, 515, 867, 941, 1445, 1545, 1751, 2823, 4335, 4705, 5253, 8755, 14115, 15997, 26265, 29767, 47991, 79985, 89301, 96923, 148835, 239955, 271949, 290769, 446505, 484615, 815847, 1359745, 1453845, 1647691, 4079235, 4943073, 8238455, 24715365, 28010747, 84032241, 140053735, 420161205]

約数ペア:

[(1, 420161205), (3, 140053735), (5, 84032241), (15, 28010747), (17, 24715365), (51, 8238455), (85, 4943073), (103, 4079235), (255, 1647691), (289, 1453845), (309, 1359745), (515, 815847), (867, 484615), (941, 446505), (1445, 290769), (1545, 271949), (1751, 239955), (2823, 148835), (4335, 96923), (4705, 89301), (5253, 79985), (8755, 47991), (14115, 29767), (15997, 26265)]