17971245

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21019}}^1$

素因数の和:21049

約数の個数: 24

約数和(自身を含む): 32791200

約数和(自身を除く): 14819955

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 21019, 63057, 105095, 189171, 315285, 399361, 945855, 1198083, 1996805, 3594249, 5990415, 17971245]

約数ペア:

[(1, 17971245), (3, 5990415), (5, 3594249), (9, 1996805), (15, 1198083), (19, 945855), (45, 399361), (57, 315285), (95, 189171), (171, 105095), (285, 63057), (855, 21019)]