25840269

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{809}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 47433600

約数和(自身を除く): 21593331

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 169, 189, 273, 351, 507, 809, 819, 1183, 1521, 2427, 2457, 3549, 4563, 5663, 7281, 10517, 10647, 16989, 21843, 31551, 31941, 50967, 73619, 94653, 136721, 152901, 220857, 283959, 410163, 662571, 957047, 1230489, 1987713, 2871141, 3691467, 8613423, 25840269]

約数ペア:

[(1, 25840269), (3, 8613423), (7, 3691467), (9, 2871141), (13, 1987713), (21, 1230489), (27, 957047), (39, 662571), (63, 410163), (91, 283959), (117, 220857), (169, 152901), (189, 136721), (273, 94653), (351, 73619), (507, 50967), (809, 31941), (819, 31551), (1183, 21843), (1521, 16989), (2427, 10647), (2457, 10517), (3549, 7281), (4563, 5663)]