12971917

素因数分解:

$7^3\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 16

約数和(自身を含む): 15408000

約数和(自身を除く): 2436083

約数列:

[1, 7, 49, 59, 343, 413, 641, 2891, 4487, 20237, 31409, 37819, 219863, 264733, 1853131, 12971917]

約数ペア:

[(1, 12971917), (7, 1853131), (49, 264733), (59, 219863), (343, 37819), (413, 31409), (641, 20237), (2891, 4487)]