13211865

素因数分解:

$3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{887}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 22995648

約数和(自身を除く): 9783783

約数列:

[1, 3, 5, 9, 15, 45, 331, 887, 993, 1655, 2661, 2979, 4435, 4965, 7983, 13305, 14895, 39915, 293597, 880791, 1467985, 2642373, 4403955, 13211865]

約数ペア:

[(1, 13211865), (3, 4403955), (5, 2642373), (9, 1467985), (15, 880791), (45, 293597), (331, 39915), (887, 14895), (993, 13305), (1655, 7983), (2661, 4965), (2979, 4435)]