31408083

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1381}}^1$

素因数の和:1432

約数の個数: 36

約数和(自身を含む): 54760368

約数和(自身を除く): 23352285

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 1381, 2527, 3249, 4143, 7581, 9667, 12429, 22743, 26239, 29001, 78717, 87003, 183673, 236151, 498541, 551019, 1495623, 1653057, 3489787, 4486869, 10469361, 31408083]

約数ペア:

[(1, 31408083), (3, 10469361), (7, 4486869), (9, 3489787), (19, 1653057), (21, 1495623), (57, 551019), (63, 498541), (133, 236151), (171, 183673), (361, 87003), (399, 78717), (1083, 29001), (1197, 26239), (1381, 22743), (2527, 12429), (3249, 9667), (4143, 7581)]