2019955515

素因数分解:

$3^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{67433}}^1$

素因数の和:69438

約数の個数: 16

約数和(自身を含む): 3233595168

約数和(自身を除く): 1213639653

約数列:

[1, 3, 5, 15, 1997, 5991, 9985, 29955, 67433, 202299, 337165, 1011495, 134663701, 403991103, 673318505, 2019955515]

約数ペア:

[(1, 2019955515), (3, 673318505), (5, 403991103), (15, 134663701), (1997, 1011495), (5991, 337165), (9985, 202299), (29955, 67433)]