81282253

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{15991}}^1$

素因数の和:16044

約数の個数: 16

約数和(自身を含む): 96719616

約数和(自身を除く): 15437363

約数列:

[1, 13, 17, 23, 221, 299, 391, 5083, 15991, 207883, 271847, 367793, 3534011, 4781309, 6252481, 81282253]

約数ペア:

[(1, 81282253), (13, 6252481), (17, 4781309), (23, 3534011), (221, 367793), (299, 271847), (391, 207883), (5083, 15991)]