13002591

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 20314800

約数和(自身を除く): 7312209

約数列:

[1, 3, 7, 21, 49, 147, 197, 449, 591, 1347, 1379, 3143, 4137, 9429, 9653, 22001, 28959, 66003, 88453, 265359, 619171, 1857513, 4334197, 13002591]

約数ペア:

[(1, 13002591), (3, 4334197), (7, 1857513), (21, 619171), (49, 265359), (147, 88453), (197, 66003), (449, 28959), (591, 22001), (1347, 9653), (1379, 9429), (3143, 4137)]