13215867

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1753}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 20206080

約数和(自身を除く): 6990213

約数列:

[1, 3, 7, 21, 359, 1077, 1753, 2513, 5259, 7539, 12271, 36813, 629327, 1887981, 4405289, 13215867]

約数ペア:

[(1, 13215867), (3, 4405289), (7, 1887981), (21, 629327), (359, 36813), (1077, 12271), (1753, 7539), (2513, 5259)]