13218741

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 21427200

約数和(自身を除く): 8208459

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 153, 279, 459, 527, 837, 929, 1581, 2787, 4743, 8361, 14229, 15793, 25083, 28799, 47379, 86397, 142137, 259191, 426411, 489583, 777573, 1468749, 4406247, 13218741]

約数ペア:

[(1, 13218741), (3, 4406247), (9, 1468749), (17, 777573), (27, 489583), (31, 426411), (51, 259191), (93, 142137), (153, 86397), (279, 47379), (459, 28799), (527, 25083), (837, 15793), (929, 14229), (1581, 8361), (2787, 4743)]