13285251

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3457}}^1$

素因数の和:3531

約数の個数: 24

約数和(自身を含む): 22297184

約数和(自身を除く): 9011933

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3457, 3843, 10371, 24199, 31113, 72597, 210877, 217791, 632631, 1476139, 1897893, 4428417, 13285251]

約数ペア:

[(1, 13285251), (3, 4428417), (7, 1897893), (9, 1476139), (21, 632631), (61, 217791), (63, 210877), (183, 72597), (427, 31113), (549, 24199), (1281, 10371), (3457, 3843)]