220640523

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 307307520

約数和(自身を除く): 86666997

約数列:

[1, 3, 71, 89, 103, 113, 213, 267, 309, 339, 6319, 7313, 8023, 9167, 10057, 11639, 18957, 21939, 24069, 27501, 30171, 34917, 650857, 714047, 826369, 1035871, 1952571, 2142141, 2479107, 3107613, 73546841, 220640523]

約数ペア:

[(1, 220640523), (3, 73546841), (71, 3107613), (89, 2479107), (103, 2142141), (113, 1952571), (213, 1035871), (267, 826369), (309, 714047), (339, 650857), (6319, 34917), (7313, 30171), (8023, 27501), (9167, 24069), (10057, 21939), (11639, 18957)]