213345501

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1\times {\mathrm{1997}}^1$

素因数の和:2388

約数の個数: 16

約数和(自身を含む): 287712000

約数和(自身を除く): 74366499

約数列:

[1, 3, 149, 239, 447, 717, 1997, 5991, 35611, 106833, 297553, 477283, 892659, 1431849, 71115167, 213345501]

約数ペア:

[(1, 213345501), (3, 71115167), (149, 1431849), (239, 892659), (447, 477283), (717, 297553), (1997, 106833), (5991, 35611)]