81123525

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 176447040

約数和(自身を除く): 95323515

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 59, 63, 75, 81, 97, 105, 135, 175, 177, 189, 225, 291, 295, 315, 405, 413, 485, 525, 531, 567, 675, 679, 873, 885, 945, 1239, 1455, 1475, 1575, 1593, 2025, 2037, 2065, 2425, 2619, 2655, 2835, 3395, 3717, 4365, 4425, 4725, 4779, 5723, 6111, 6195, 7275, 7857, 7965, 10185, 10325, 11151, 13095, 13275, 14175, 16975, 17169, 18333, 18585, 21825, 23895, 28615, 30555, 30975, 33453, 39285, 39825, 40061, 50925, 51507, 54999, 55755, 65475, 85845, 91665, 92925, 119475, 120183, 143075, 152775, 154521, 167265, 196425, 200305, 257535, 274995, 278775, 360549, 429225, 458325, 463563, 600915, 772605, 836325, 1001525, 1081647, 1287675, 1374975, 1802745, 2317815, 3004575, 3244941, 3863025, 5408235, 9013725, 11589075, 16224705, 27041175, 81123525]

約数ペア:

[(1, 81123525), (3, 27041175), (5, 16224705), (7, 11589075), (9, 9013725), (15, 5408235), (21, 3863025), (25, 3244941), (27, 3004575), (35, 2317815), (45, 1802745), (59, 1374975), (63, 1287675), (75, 1081647), (81, 1001525), (97, 836325), (105, 772605), (135, 600915), (175, 463563), (177, 458325), (189, 429225), (225, 360549), (291, 278775), (295, 274995), (315, 257535), (405, 200305), (413, 196425), (485, 167265), (525, 154521), (531, 152775), (567, 143075), (675, 120183), (679, 119475), (873, 92925), (885, 91665), (945, 85845), (1239, 65475), (1455, 55755), (1475, 54999), (1575, 51507), (1593, 50925), (2025, 40061), (2037, 39825), (2065, 39285), (2425, 33453), (2619, 30975), (2655, 30555), (2835, 28615), (3395, 23895), (3717, 21825), (4365, 18585), (4425, 18333), (4725, 17169), (4779, 16975), (5723, 14175), (6111, 13275), (6195, 13095), (7275, 11151), (7857, 10325), (7965, 10185)]