71705655

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{8431}}^1$

素因数の和:8458

約数の個数: 48

約数和(自身を含む): 147323904

約数和(自身を除く): 75618249

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835, 8431, 8505, 25293, 42155, 59017, 75879, 126465, 177051, 227637, 295085, 379395, 531153, 682911, 885255, 1138185, 1593459, 2048733, 2655765, 3414555, 4780377, 7967295, 10243665, 14341131, 23901885, 71705655]

約数ペア:

[(1, 71705655), (3, 23901885), (5, 14341131), (7, 10243665), (9, 7967295), (15, 4780377), (21, 3414555), (27, 2655765), (35, 2048733), (45, 1593459), (63, 1138185), (81, 885255), (105, 682911), (135, 531153), (189, 379395), (243, 295085), (315, 227637), (405, 177051), (567, 126465), (945, 75879), (1215, 59017), (1701, 42155), (2835, 25293), (8431, 8505)]