11820225

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{911}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 19677312

約数和(自身を除く): 7857087

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 911, 2595, 2733, 4325, 4555, 12975, 13665, 22775, 68325, 157603, 472809, 788015, 2364045, 3940075, 11820225]

約数ペア:

[(1, 11820225), (3, 3940075), (5, 2364045), (15, 788015), (25, 472809), (75, 157603), (173, 68325), (519, 22775), (865, 13665), (911, 12975), (2595, 4555), (2733, 4325)]