821292015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{16349}}^1$

素因数の和:16571

約数の個数: 32

約数和(自身を含む): 1398513600

約数和(自身を除く): 577221585

約数列:

[1, 3, 5, 15, 17, 51, 85, 197, 255, 591, 985, 2955, 3349, 10047, 16349, 16745, 49047, 50235, 81745, 245235, 277933, 833799, 1389665, 3220753, 4168995, 9662259, 16103765, 48311295, 54752801, 164258403, 273764005, 821292015]

約数ペア:

[(1, 821292015), (3, 273764005), (5, 164258403), (15, 54752801), (17, 48311295), (51, 16103765), (85, 9662259), (197, 4168995), (255, 3220753), (591, 1389665), (985, 833799), (2955, 277933), (3349, 245235), (10047, 81745), (16349, 50235), (16745, 49047)]