1440999

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 2414880

約数和(自身を除く): 973881

約数列:

[1, 3, 7, 9, 21, 63, 89, 257, 267, 623, 771, 801, 1799, 1869, 2313, 5397, 5607, 16191, 22873, 68619, 160111, 205857, 480333, 1440999]

約数ペア:

[(1, 1440999), (3, 480333), (7, 205857), (9, 160111), (21, 68619), (63, 22873), (89, 16191), (257, 5607), (267, 5397), (623, 2313), (771, 1869), (801, 1799)]