2157357885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{206347}}^1$

素因数の和:206413

約数の個数: 32

約数和(自身を含む): 3743978112

約数和(自身を除く): 1586620227

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 10455, 206347, 619041, 1031735, 3095205, 3507899, 8460227, 10523697, 17539495, 25380681, 42301135, 52618485, 126903405, 143823859, 431471577, 719119295, 2157357885]

約数ペア:

[(1, 2157357885), (3, 719119295), (5, 431471577), (15, 143823859), (17, 126903405), (41, 52618485), (51, 42301135), (85, 25380681), (123, 17539495), (205, 10523697), (255, 8460227), (615, 3507899), (697, 3095205), (2091, 1031735), (3485, 619041), (10455, 206347)]