2491965

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{293}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 5136768

約数和(自身を除く): 2644803

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 293, 315, 405, 567, 879, 945, 1215, 1465, 1701, 2051, 2637, 2835, 4395, 6153, 7911, 8505, 10255, 13185, 18459, 23733, 30765, 39555, 55377, 71199, 92295, 118665, 166131, 276885, 355995, 498393, 830655, 2491965]

約数ペア:

[(1, 2491965), (3, 830655), (5, 498393), (7, 355995), (9, 276885), (15, 166131), (21, 118665), (27, 92295), (35, 71199), (45, 55377), (63, 39555), (81, 30765), (105, 23733), (135, 18459), (189, 13185), (243, 10255), (293, 8505), (315, 7911), (405, 6153), (567, 4395), (879, 2835), (945, 2637), (1215, 2051), (1465, 1701)]