31942647

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 52081920

約数和(自身を除く): 20139273

約数列:

[1, 3, 9, 11, 27, 33, 99, 131, 297, 393, 821, 1179, 1441, 2463, 3537, 4323, 7389, 9031, 12969, 22167, 27093, 38907, 81279, 107551, 243837, 322653, 967959, 1183061, 2903877, 3549183, 10647549, 31942647]

約数ペア:

[(1, 31942647), (3, 10647549), (9, 3549183), (11, 2903877), (27, 1183061), (33, 967959), (99, 322653), (131, 243837), (297, 107551), (393, 81279), (821, 38907), (1179, 27093), (1441, 22167), (2463, 12969), (3537, 9031), (4323, 7389)]