28254879

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 44098560

約数和(自身を除く): 15843681

約数列:

[1, 3, 9, 23, 27, 69, 173, 207, 263, 519, 621, 789, 1557, 2367, 3979, 4671, 6049, 7101, 11937, 18147, 35811, 45499, 54441, 107433, 136497, 163323, 409491, 1046477, 1228473, 3139431, 9418293, 28254879]

約数ペア:

[(1, 28254879), (3, 9418293), (9, 3139431), (23, 1228473), (27, 1046477), (69, 409491), (173, 163323), (207, 136497), (263, 107433), (519, 54441), (621, 45499), (789, 35811), (1557, 18147), (2367, 11937), (3979, 7101), (4671, 6049)]