15821793

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 24752000

約数和(自身を除く): 8930207

約数列:

[1, 3, 9, 13, 39, 117, 271, 499, 813, 1497, 2439, 3523, 4491, 6487, 10569, 19461, 31707, 58383, 135229, 405687, 1217061, 1757977, 5273931, 15821793]

約数ペア:

[(1, 15821793), (3, 5273931), (9, 1757977), (13, 1217061), (39, 405687), (117, 135229), (271, 58383), (499, 31707), (813, 19461), (1497, 10569), (2439, 6487), (3523, 4491)]