81681075

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 174988800

約数和(自身を除く): 93307725

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 59, 63, 75, 105, 135, 175, 177, 189, 225, 293, 295, 315, 413, 525, 531, 675, 879, 885, 945, 1239, 1465, 1475, 1575, 1593, 2051, 2065, 2637, 2655, 3717, 4395, 4425, 4725, 6153, 6195, 7325, 7911, 7965, 10255, 10325, 11151, 13185, 13275, 17287, 18459, 18585, 21975, 30765, 30975, 39555, 39825, 51275, 51861, 55377, 55755, 65925, 86435, 92295, 92925, 121009, 153825, 155583, 197775, 259305, 276885, 278775, 363027, 432175, 461475, 466749, 605045, 777915, 1089081, 1296525, 1384425, 1815135, 2333745, 3025225, 3267243, 3889575, 5445405, 9075675, 11668725, 16336215, 27227025, 81681075]

約数ペア:

[(1, 81681075), (3, 27227025), (5, 16336215), (7, 11668725), (9, 9075675), (15, 5445405), (21, 3889575), (25, 3267243), (27, 3025225), (35, 2333745), (45, 1815135), (59, 1384425), (63, 1296525), (75, 1089081), (105, 777915), (135, 605045), (175, 466749), (177, 461475), (189, 432175), (225, 363027), (293, 278775), (295, 276885), (315, 259305), (413, 197775), (525, 155583), (531, 153825), (675, 121009), (879, 92925), (885, 92295), (945, 86435), (1239, 65925), (1465, 55755), (1475, 55377), (1575, 51861), (1593, 51275), (2051, 39825), (2065, 39555), (2637, 30975), (2655, 30765), (3717, 21975), (4395, 18585), (4425, 18459), (4725, 17287), (6153, 13275), (6195, 13185), (7325, 11151), (7911, 10325), (7965, 10255)]