28262079

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 42142464

約数和(自身を除く): 13880385

約数列:

[1, 3, 9, 41, 123, 191, 369, 401, 573, 1203, 1719, 3609, 7831, 16441, 23493, 49323, 70479, 76591, 147969, 229773, 689319, 3140231, 9420693, 28262079]

約数ペア:

[(1, 28262079), (3, 9420693), (9, 3140231), (41, 689319), (123, 229773), (191, 147969), (369, 76591), (401, 70479), (573, 49323), (1203, 23493), (1719, 16441), (3609, 7831)]