75728115

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{647}}^1$

素因数の和:698

約数の個数: 60

約数和(自身を含む): 144427536

約数和(自身を除く): 68699421

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 289, 405, 459, 647, 765, 867, 1377, 1445, 1941, 2295, 2601, 3235, 4335, 5823, 6885, 7803, 9705, 10999, 13005, 17469, 23409, 29115, 32997, 39015, 52407, 54995, 87345, 98991, 117045, 164985, 186983, 262035, 296973, 494955, 560949, 890919, 934915, 1484865, 1682847, 2804745, 4454595, 5048541, 8414235, 15145623, 25242705, 75728115]

約数ペア:

[(1, 75728115), (3, 25242705), (5, 15145623), (9, 8414235), (15, 5048541), (17, 4454595), (27, 2804745), (45, 1682847), (51, 1484865), (81, 934915), (85, 890919), (135, 560949), (153, 494955), (255, 296973), (289, 262035), (405, 186983), (459, 164985), (647, 117045), (765, 98991), (867, 87345), (1377, 54995), (1445, 52407), (1941, 39015), (2295, 32997), (2601, 29115), (3235, 23409), (4335, 17469), (5823, 13005), (6885, 10999), (7803, 9705)]