7978761

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 13328640

約数和(自身を除く): 5349879

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1423, 1869, 4269, 5607, 9961, 12807, 29883, 89649, 126647, 379941, 886529, 1139823, 2659587, 7978761]

約数ペア:

[(1, 7978761), (3, 2659587), (7, 1139823), (9, 886529), (21, 379941), (63, 126647), (89, 89649), (267, 29883), (623, 12807), (801, 9961), (1423, 5607), (1869, 4269)]