15121281

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31307}}^1$

素因数の和:31340

約数の個数: 16

約数和(自身を含む): 24044544

約数和(自身を除く): 8923263

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 31307, 93921, 219149, 657447, 720061, 2160183, 5040427, 15121281]

約数ペア:

[(1, 15121281), (3, 5040427), (7, 2160183), (21, 720061), (23, 657447), (69, 219149), (161, 93921), (483, 31307)]