81219672

素因数分解:

$2^3\times 3^4\times {\mathrm{125339}}^1$

素因数の和:125357

約数の個数: 40

約数和(自身を含む): 227492100

約数和(自身を除く): 146272428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 125339, 250678, 376017, 501356, 752034, 1002712, 1128051, 1504068, 2256102, 3008136, 3384153, 4512204, 6768306, 9024408, 10152459, 13536612, 20304918, 27073224, 40609836, 81219672]

約数ペア:

[(1, 81219672), (2, 40609836), (3, 27073224), (4, 20304918), (6, 13536612), (8, 10152459), (9, 9024408), (12, 6768306), (18, 4512204), (24, 3384153), (27, 3008136), (36, 2256102), (54, 1504068), (72, 1128051), (81, 1002712), (108, 752034), (162, 501356), (216, 376017), (324, 250678), (648, 125339)]