13563387

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 20457840

約数和(自身を除く): 6894453

約数列:

[1, 3, 9, 29, 87, 157, 261, 331, 471, 993, 1413, 2979, 4553, 9599, 13659, 28797, 40977, 51967, 86391, 155901, 467703, 1507043, 4521129, 13563387]

約数ペア:

[(1, 13563387), (3, 4521129), (9, 1507043), (29, 467703), (87, 155901), (157, 86391), (261, 51967), (331, 40977), (471, 28797), (993, 13659), (1413, 9599), (2979, 4553)]