871245

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 1591200

約数和(自身を除く): 719955

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 1019, 3057, 5095, 9171, 15285, 19361, 45855, 58083, 96805, 174249, 290415, 871245]

約数ペア:

[(1, 871245), (3, 290415), (5, 174249), (9, 96805), (15, 58083), (19, 45855), (45, 19361), (57, 15285), (95, 9171), (171, 5095), (285, 3057), (855, 1019)]