1389777723

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{705113}}^1$

素因数の和:705195

約数の個数: 16

約数和(自身を含む): 2087137440

約数和(自身を除く): 697359717

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 705113, 2115339, 6346017, 19038051, 51473249, 154419747, 463259241, 1389777723]

約数ペア:

[(1, 1389777723), (3, 463259241), (9, 154419747), (27, 51473249), (73, 19038051), (219, 6346017), (657, 2115339), (1971, 705113)]