28355895

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27397}}^1$

素因数の和:27431

約数の個数: 24

約数和(自身を含む): 51289056

約数和(自身を除く): 22933161

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27397, 82191, 136985, 246573, 410955, 630131, 1232865, 1890393, 3150655, 5671179, 9451965, 28355895]

約数ペア:

[(1, 28355895), (3, 9451965), (5, 5671179), (9, 3150655), (15, 1890393), (23, 1232865), (45, 630131), (69, 410955), (115, 246573), (207, 136985), (345, 82191), (1035, 27397)]