30381885

素因数分解:

$3^4\times 5^1\times {\mathrm{75017}}^1$

素因数の和:75034

約数の個数: 20

約数和(自身を含む): 54463068

約数和(自身を除く): 24081183

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 75017, 225051, 375085, 675153, 1125255, 2025459, 3375765, 6076377, 10127295, 30381885]

約数ペア:

[(1, 30381885), (3, 10127295), (5, 6076377), (9, 3375765), (15, 2025459), (27, 1125255), (45, 675153), (81, 375085), (135, 225051), (405, 75017)]