127980855

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{123653}}^1$

素因数の和:123687

約数の個数: 24

約数和(自身を含む): 231480288

約数和(自身を除く): 103499433

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 123653, 370959, 618265, 1112877, 1854795, 2844019, 5564385, 8532057, 14220095, 25596171, 42660285, 127980855]

約数ペア:

[(1, 127980855), (3, 42660285), (5, 25596171), (9, 14220095), (15, 8532057), (23, 5564385), (45, 2844019), (69, 1854795), (115, 1112877), (207, 618265), (345, 370959), (1035, 123653)]