28243995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{601}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 48949824

約数和(自身を除く): 20705829

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 241, 601, 723, 1205, 1803, 3005, 3133, 3615, 7813, 9015, 9399, 15665, 23439, 39065, 46995, 117195, 144841, 434523, 724205, 1882933, 2172615, 5648799, 9414665, 28243995]

約数ペア:

[(1, 28243995), (3, 9414665), (5, 5648799), (13, 2172615), (15, 1882933), (39, 724205), (65, 434523), (195, 144841), (241, 117195), (601, 46995), (723, 39065), (1205, 23439), (1803, 15665), (3005, 9399), (3133, 9015), (3615, 7813)]