17917245

素因数分解:

$3^2\times 5^1\times {\mathrm{631}}^2$

素因数の和:1273

約数の個数: 18

約数和(自身を含む): 31105854

約数和(自身を除く): 13188609

約数列:

[1, 3, 5, 9, 15, 45, 631, 1893, 3155, 5679, 9465, 28395, 398161, 1194483, 1990805, 3583449, 5972415, 17917245]

約数ペア:

[(1, 17917245), (3, 5972415), (5, 3583449), (9, 1990805), (15, 1194483), (45, 398161), (631, 28395), (1893, 9465), (3155, 5679)]