8720153415

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{312047}}^1$

素因数の和:312090

約数の個数: 48

約数和(自身を含む): 16356307968

約数和(自身を除く): 7636154553

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 1035, 1215, 1863, 3105, 5589, 9315, 27945, 312047, 936141, 1560235, 2808423, 4680705, 7177081, 8425269, 14042115, 21531243, 25275807, 35885405, 42126345, 64593729, 75827421, 107656215, 126379035, 193781187, 322968645, 379137105, 581343561, 968905935, 1744030683, 2906717805, 8720153415]

約数ペア:

[(1, 8720153415), (3, 2906717805), (5, 1744030683), (9, 968905935), (15, 581343561), (23, 379137105), (27, 322968645), (45, 193781187), (69, 126379035), (81, 107656215), (115, 75827421), (135, 64593729), (207, 42126345), (243, 35885405), (345, 25275807), (405, 21531243), (621, 14042115), (1035, 8425269), (1215, 7177081), (1863, 4680705), (3105, 2808423), (5589, 1560235), (9315, 936141), (27945, 312047)]