28488801

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1657}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 41542848

約数和(自身を除く): 13054047

約数列:

[1, 3, 11, 33, 521, 1563, 1657, 4971, 5731, 17193, 18227, 54681, 863297, 2589891, 9496267, 28488801]

約数ペア:

[(1, 28488801), (3, 9496267), (11, 2589891), (33, 863297), (521, 54681), (1563, 18227), (1657, 17193), (4971, 5731)]