201221839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{3767}}^1$

素因数の和:4374

約数の個数: 16

約数和(自身を含む): 248145408

約数和(自身を除く): 46923569

約数列:

[1, 7, 13, 91, 587, 3767, 4109, 7631, 26369, 48971, 53417, 342797, 2211229, 15478603, 28745977, 201221839]

約数ペア:

[(1, 201221839), (7, 28745977), (13, 15478603), (91, 2211229), (587, 342797), (3767, 53417), (4109, 48971), (7631, 26369)]