31331637

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 48396800

約数和(自身を除く): 17065163

約数列:

[1, 3, 9, 27, 37, 79, 111, 237, 333, 397, 711, 999, 1191, 2133, 2923, 3573, 8769, 10719, 14689, 26307, 31363, 44067, 78921, 94089, 132201, 282267, 396603, 846801, 1160431, 3481293, 10443879, 31331637]

約数ペア:

[(1, 31331637), (3, 10443879), (9, 3481293), (27, 1160431), (37, 846801), (79, 396603), (111, 282267), (237, 132201), (333, 94089), (397, 78921), (711, 44067), (999, 31363), (1191, 26307), (2133, 14689), (2923, 10719), (3573, 8769)]