28077495

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 46531584

約数和(自身を除く): 18454089

約数列:

[1, 3, 5, 15, 43, 101, 129, 215, 303, 431, 505, 645, 1293, 1515, 2155, 4343, 6465, 13029, 18533, 21715, 43531, 55599, 65145, 92665, 130593, 217655, 277995, 652965, 1871833, 5615499, 9359165, 28077495]

約数ペア:

[(1, 28077495), (3, 9359165), (5, 5615499), (15, 1871833), (43, 652965), (101, 277995), (129, 217655), (215, 130593), (303, 92665), (431, 65145), (505, 55599), (645, 43531), (1293, 21715), (1515, 18533), (2155, 13029), (4343, 6465)]