28740033

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4703}}^1$

素因数の和:4813

約数の個数: 24

約数和(自身を含む): 47943168

約数和(自身を除く): 19203135

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 4703, 6111, 14109, 32921, 42327, 98763, 296289, 456191, 1368573, 3193337, 4105719, 9580011, 28740033]

約数ペア:

[(1, 28740033), (3, 9580011), (7, 4105719), (9, 3193337), (21, 1368573), (63, 456191), (97, 296289), (291, 98763), (679, 42327), (873, 32921), (2037, 14109), (4703, 6111)]