28137705

素因数分解:

$3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4273}}^1$

素因数の和:4720

約数の個数: 16

約数和(自身を含む): 45133440

約数和(自身を除く): 16995735

約数列:

[1, 3, 5, 15, 439, 1317, 2195, 4273, 6585, 12819, 21365, 64095, 1875847, 5627541, 9379235, 28137705]

約数ペア:

[(1, 28137705), (3, 9379235), (5, 5627541), (15, 1875847), (439, 64095), (1317, 21365), (2195, 12819), (4273, 6585)]