239969247

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{17827}}^1$

素因数の和:18478

約数の個数: 16

約数和(自身を含む): 366258432

約数和(自身を除く): 126289185

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 13461, 17827, 53481, 124789, 374367, 11427107, 34281321, 79989749, 239969247]

約数ペア:

[(1, 239969247), (3, 79989749), (7, 34281321), (21, 11427107), (641, 374367), (1923, 124789), (4487, 53481), (13461, 17827)]