25242705

素因数分解:

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

素因数の和:695

約数の個数: 48

約数和(自身を含む): 47744640

約数和(自身を除く): 22501935

約数列:

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

約数ペア:

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