1864815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 3234816

約数和(自身を除く): 1370001

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 103, 213, 255, 309, 355, 515, 1065, 1207, 1545, 1751, 3621, 5253, 6035, 7313, 8755, 18105, 21939, 26265, 36565, 109695, 124321, 372963, 621605, 1864815]

約数ペア:

[(1, 1864815), (3, 621605), (5, 372963), (15, 124321), (17, 109695), (51, 36565), (71, 26265), (85, 21939), (103, 18105), (213, 8755), (255, 7313), (309, 6035), (355, 5253), (515, 3621), (1065, 1751), (1207, 1545)]