13200747

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 20725200

約数和(自身を除く): 7524453

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1009, 1869, 3027, 4361, 7063, 13083, 21189, 49441, 89801, 148323, 269403, 628607, 1885821, 4400249, 13200747]

約数ペア:

[(1, 13200747), (3, 4400249), (7, 1885821), (21, 628607), (49, 269403), (89, 148323), (147, 89801), (267, 49441), (623, 21189), (1009, 13083), (1869, 7063), (3027, 4361)]