201721729

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{1013}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 225935424

約数和(自身を除く): 24213695

約数列:

[1, 11, 43, 421, 473, 1013, 4631, 11143, 18103, 43559, 199133, 426473, 479149, 4691203, 18338339, 201721729]

約数ペア:

[(1, 201721729), (11, 18338339), (43, 4691203), (421, 479149), (473, 426473), (1013, 199133), (4631, 43559), (11143, 18103)]