13221327

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 20905776

約数和(自身を除く): 7684449

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 1697, 2597, 5091, 7791, 11879, 35637, 83153, 89941, 249459, 269823, 629587, 1888761, 4407109, 13221327]

約数ペア:

[(1, 13221327), (3, 4407109), (7, 1888761), (21, 629587), (49, 269823), (53, 249459), (147, 89941), (159, 83153), (371, 35637), (1113, 11879), (1697, 7791), (2597, 5091)]