74865705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2143}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 127816704

約数和(自身を除く): 52950999

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 685, 2055, 2143, 2329, 6429, 6987, 10715, 11645, 32145, 34935, 36431, 109293, 182155, 293591, 546465, 880773, 1467955, 4403865, 4991047, 14973141, 24955235, 74865705]

約数ペア:

[(1, 74865705), (3, 24955235), (5, 14973141), (15, 4991047), (17, 4403865), (51, 1467955), (85, 880773), (137, 546465), (255, 293591), (411, 182155), (685, 109293), (2055, 36431), (2143, 34935), (2329, 32145), (6429, 11645), (6987, 10715)]