1388404821

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{1471}}^1\times {\mathrm{13679}}^1$

素因数の和:15176

約数の個数: 16

約数和(自身を含む): 1933148160

約数和(自身を除く): 544743339

約数列:

[1, 3, 23, 69, 1471, 4413, 13679, 33833, 41037, 101499, 314617, 943851, 20121809, 60365427, 462801607, 1388404821]

約数ペア:

[(1, 1388404821), (3, 462801607), (23, 60365427), (69, 20121809), (1471, 943851), (4413, 314617), (13679, 101499), (33833, 41037)]