16521843

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 25127424

約数和(自身を除く): 8605581

約数列:

[1, 3, 13, 23, 39, 69, 113, 163, 299, 339, 489, 897, 1469, 2119, 2599, 3749, 4407, 6357, 7797, 11247, 18419, 33787, 48737, 55257, 101361, 146211, 239447, 423637, 718341, 1270911, 5507281, 16521843]

約数ペア:

[(1, 16521843), (3, 5507281), (13, 1270911), (23, 718341), (39, 423637), (69, 239447), (113, 146211), (163, 101361), (299, 55257), (339, 48737), (489, 33787), (897, 18419), (1469, 11247), (2119, 7797), (2599, 6357), (3749, 4407)]