15161573

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 18078720

約数和(自身を除く): 2917147

約数列:

[1, 7, 31, 109, 217, 641, 763, 3379, 4487, 19871, 23653, 69869, 139097, 489083, 2165939, 15161573]

約数ペア:

[(1, 15161573), (7, 2165939), (31, 489083), (109, 139097), (217, 69869), (641, 23653), (763, 19871), (3379, 4487)]