13065213

素因数分解:

$3^1\times 7^3\times {\mathrm{12697}}^1$

素因数の和:12721

約数の個数: 16

約数和(自身を含む): 20316800

約数和(自身を除く): 7251587

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 12697, 38091, 88879, 266637, 622153, 1866459, 4355071, 13065213]

約数ペア:

[(1, 13065213), (3, 4355071), (7, 1866459), (21, 622153), (49, 266637), (147, 88879), (343, 38091), (1029, 12697)]