742815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 1364688

約数和(自身を除く): 621873

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 971, 2913, 4855, 8739, 14565, 16507, 43695, 49521, 82535, 148563, 247605, 742815]

約数ペア:

[(1, 742815), (3, 247605), (5, 148563), (9, 82535), (15, 49521), (17, 43695), (45, 16507), (51, 14565), (85, 8739), (153, 4855), (255, 2913), (765, 971)]