81972579

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{3331}}^1$

素因数の和:3978

約数の個数: 16

約数和(自身を含む): 117926144

約数和(自身を除く): 35953565

約数列:

[1, 3, 13, 39, 631, 1893, 3331, 8203, 9993, 24609, 43303, 129909, 2101861, 6305583, 27324193, 81972579]

約数ペア:

[(1, 81972579), (3, 27324193), (13, 6305583), (39, 2101861), (631, 129909), (1893, 43303), (3331, 24609), (8203, 9993)]