30389475

素因数分解:

$3^1\times 5^2\times {\mathrm{613}}^1\times {\mathrm{661}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 50402032

約数和(自身を除く): 20012557

約数列:

[1, 3, 5, 15, 25, 75, 613, 661, 1839, 1983, 3065, 3305, 9195, 9915, 15325, 16525, 45975, 49575, 405193, 1215579, 2025965, 6077895, 10129825, 30389475]

約数ペア:

[(1, 30389475), (3, 10129825), (5, 6077895), (15, 2025965), (25, 1215579), (75, 405193), (613, 49575), (661, 45975), (1839, 16525), (1983, 15325), (3065, 9915), (3305, 9195)]