19970727

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30677}}^1$

素因数の和:30718

約数の個数: 16

約数和(自身を含む): 31414272

約数和(自身を除く): 11443545

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30677, 92031, 214739, 644217, 950987, 2852961, 6656909, 19970727]

約数ペア:

[(1, 19970727), (3, 6656909), (7, 2852961), (21, 950987), (31, 644217), (93, 214739), (217, 92031), (651, 30677)]