51997917

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 77559552

約数和(自身を除く): 25561635

約数列:

[1, 3, 17, 23, 51, 69, 97, 291, 391, 457, 1173, 1371, 1649, 2231, 4947, 6693, 7769, 10511, 23307, 31533, 37927, 44329, 113781, 132987, 178687, 536061, 753593, 1019567, 2260779, 3058701, 17332639, 51997917]

約数ペア:

[(1, 51997917), (3, 17332639), (17, 3058701), (23, 2260779), (51, 1019567), (69, 753593), (97, 536061), (291, 178687), (391, 132987), (457, 113781), (1173, 44329), (1371, 37927), (1649, 31533), (2231, 23307), (4947, 10511), (6693, 7769)]