25103115

素因数分解:

$3^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 56

約数和(自身を含む): 46273248

約数和(自身を除く): 21170133

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 97, 135, 213, 243, 291, 355, 405, 485, 639, 729, 873, 1065, 1215, 1455, 1917, 2619, 3195, 3645, 4365, 5751, 6887, 7857, 9585, 13095, 17253, 20661, 23571, 28755, 34435, 39285, 51759, 61983, 70713, 86265, 103305, 117855, 185949, 258795, 309915, 353565, 557847, 929745, 1673541, 2789235, 5020623, 8367705, 25103115]

約数ペア:

[(1, 25103115), (3, 8367705), (5, 5020623), (9, 2789235), (15, 1673541), (27, 929745), (45, 557847), (71, 353565), (81, 309915), (97, 258795), (135, 185949), (213, 117855), (243, 103305), (291, 86265), (355, 70713), (405, 61983), (485, 51759), (639, 39285), (729, 34435), (873, 28755), (1065, 23571), (1215, 20661), (1455, 17253), (1917, 13095), (2619, 9585), (3195, 7857), (3645, 6887), (4365, 5751)]