128111643

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 215519616

約数和(自身を除く): 87407973

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 163, 187, 467, 489, 561, 1401, 1467, 1683, 1793, 2771, 4203, 5137, 5379, 7939, 8313, 15411, 16137, 23817, 24939, 30481, 46233, 71451, 76121, 87329, 91443, 228363, 261987, 274329, 685089, 785961, 837331, 1294057, 2511993, 3882171, 7535979, 11646513, 14234627, 42703881, 128111643]

約数ペア:

[(1, 128111643), (3, 42703881), (9, 14234627), (11, 11646513), (17, 7535979), (33, 3882171), (51, 2511993), (99, 1294057), (153, 837331), (163, 785961), (187, 685089), (467, 274329), (489, 261987), (561, 228363), (1401, 91443), (1467, 87329), (1683, 76121), (1793, 71451), (2771, 46233), (4203, 30481), (5137, 24939), (5379, 23817), (7939, 16137), (8313, 15411)]