878378145

素因数分解:

$3^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{42403}}^1$

素因数の和:43792

約数の個数: 16

約数和(自身を含む): 1406455872

約数和(自身を除く): 528077727

約数列:

[1, 3, 5, 15, 1381, 4143, 6905, 20715, 42403, 127209, 212015, 636045, 58558543, 175675629, 292792715, 878378145]

約数ペア:

[(1, 878378145), (3, 292792715), (5, 175675629), (15, 58558543), (1381, 636045), (4143, 212015), (6905, 127209), (20715, 42403)]