25904529

素因数分解:

$3^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 45089408

約数和(自身を除く): 19184879

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 157, 189, 243, 291, 471, 567, 679, 873, 1099, 1413, 1701, 2037, 2619, 3297, 4239, 6111, 7857, 9891, 12717, 15229, 18333, 23571, 29673, 38151, 45687, 54999, 89019, 106603, 137061, 164997, 267057, 319809, 411183, 959427, 1233549, 2878281, 3700647, 8634843, 25904529]

約数ペア:

[(1, 25904529), (3, 8634843), (7, 3700647), (9, 2878281), (21, 1233549), (27, 959427), (63, 411183), (81, 319809), (97, 267057), (157, 164997), (189, 137061), (243, 106603), (291, 89019), (471, 54999), (567, 45687), (679, 38151), (873, 29673), (1099, 23571), (1413, 18333), (1701, 15229), (2037, 12717), (2619, 9891), (3297, 7857), (4239, 6111)]