28611195

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 48218112

約数和(自身を除く): 19606917

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 345, 381, 635, 653, 1905, 1959, 2921, 3265, 8763, 9795, 14605, 15019, 43815, 45057, 75095, 82931, 225285, 248793, 414655, 1243965, 1907413, 5722239, 9537065, 28611195]

約数ペア:

[(1, 28611195), (3, 9537065), (5, 5722239), (15, 1907413), (23, 1243965), (69, 414655), (115, 248793), (127, 225285), (345, 82931), (381, 75095), (635, 45057), (653, 43815), (1905, 15019), (1959, 14605), (2921, 9795), (3265, 8763)]