72904797

素因数分解:

$3^2\times 7^2\times {\mathrm{165317}}^1$

素因数の和:165337

約数の個数: 18

約数和(自身を含む): 122500638

約数和(自身を除く): 49595841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 165317, 495951, 1157219, 1487853, 3471657, 8100533, 10414971, 24301599, 72904797]

約数ペア:

[(1, 72904797), (3, 24301599), (7, 10414971), (9, 8100533), (21, 3471657), (49, 1487853), (63, 1157219), (147, 495951), (441, 165317)]