25718715

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 52690176

約数和(自身を除く): 26971461

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 81, 99, 115, 135, 165, 207, 251, 253, 297, 345, 405, 495, 621, 753, 759, 891, 1035, 1255, 1265, 1485, 1863, 2259, 2277, 2761, 3105, 3765, 3795, 4455, 5773, 6777, 6831, 8283, 9315, 11295, 11385, 13805, 17319, 20331, 20493, 24849, 28865, 33885, 34155, 41415, 51957, 63503, 74547, 86595, 101655, 102465, 124245, 155871, 190509, 223641, 259785, 317515, 372735, 467613, 571527, 779355, 952545, 1118205, 1714581, 2338065, 2857635, 5143743, 8572905, 25718715]

約数ペア:

[(1, 25718715), (3, 8572905), (5, 5143743), (9, 2857635), (11, 2338065), (15, 1714581), (23, 1118205), (27, 952545), (33, 779355), (45, 571527), (55, 467613), (69, 372735), (81, 317515), (99, 259785), (115, 223641), (135, 190509), (165, 155871), (207, 124245), (251, 102465), (253, 101655), (297, 86595), (345, 74547), (405, 63503), (495, 51957), (621, 41415), (753, 34155), (759, 33885), (891, 28865), (1035, 24849), (1255, 20493), (1265, 20331), (1485, 17319), (1863, 13805), (2259, 11385), (2277, 11295), (2761, 9315), (3105, 8283), (3765, 6831), (3795, 6777), (4455, 5773)]