31543551

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15859}}^1$

素因数の和:15895

約数の個数: 24

約数和(自身を含む): 51957360

約数和(自身を除く): 20413809

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15859, 47577, 142731, 206167, 269603, 618501, 808809, 1855503, 2426427, 3504839, 10514517, 31543551]

約数ペア:

[(1, 31543551), (3, 10514517), (9, 3504839), (13, 2426427), (17, 1855503), (39, 808809), (51, 618501), (117, 269603), (153, 206167), (221, 142731), (663, 47577), (1989, 15859)]