28601937

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1699

約数の個数: 48

約数和(自身を含む): 53114880

約数和(自身を除く): 24512943

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1323, 1663, 1911, 2457, 4989, 5733, 11641, 14967, 17199, 21619, 34923, 44901, 64857, 81487, 104769, 151333, 194571, 244461, 314307, 453999, 583713, 733383, 1059331, 1361997, 2200149, 3177993, 4085991, 9533979, 28601937]

約数ペア:

[(1, 28601937), (3, 9533979), (7, 4085991), (9, 3177993), (13, 2200149), (21, 1361997), (27, 1059331), (39, 733383), (49, 583713), (63, 453999), (91, 314307), (117, 244461), (147, 194571), (189, 151333), (273, 104769), (351, 81487), (441, 64857), (637, 44901), (819, 34923), (1323, 21619), (1663, 17199), (1911, 14967), (2457, 11641), (4989, 5733)]