27959031

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 41605824

約数和(自身を除く): 13646793

約数列:

[1, 3, 9, 47, 141, 157, 421, 423, 471, 1263, 1413, 3789, 7379, 19787, 22137, 59361, 66097, 66411, 178083, 198291, 594873, 3106559, 9319677, 27959031]

約数ペア:

[(1, 27959031), (3, 9319677), (9, 3106559), (47, 594873), (141, 198291), (157, 178083), (421, 66411), (423, 66097), (471, 59361), (1263, 22137), (1413, 19787), (3789, 7379)]