72871245

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7823}}^1$

素因数の和:7863

約数の個数: 40

約数和(自身を含む): 136325376

約数和(自身を除く): 63454131

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 7823, 9315, 23469, 39115, 70407, 117345, 179929, 211221, 352035, 539787, 633663, 899645, 1056105, 1619361, 2698935, 3168315, 4858083, 8096805, 14574249, 24290415, 72871245]

約数ペア:

[(1, 72871245), (3, 24290415), (5, 14574249), (9, 8096805), (15, 4858083), (23, 3168315), (27, 2698935), (45, 1619361), (69, 1056105), (81, 899645), (115, 633663), (135, 539787), (207, 352035), (345, 211221), (405, 179929), (621, 117345), (1035, 70407), (1863, 39115), (3105, 23469), (7823, 9315)]