81640062

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71993}}^1$

素因数の和:72014

約数の個数: 40

約数和(自身を含む): 209070576

約数和(自身を除く): 127430514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 71993, 143986, 215979, 431958, 503951, 647937, 1007902, 1295874, 1511853, 1943811, 3023706, 3887622, 4535559, 5831433, 9071118, 11662866, 13606677, 27213354, 40820031, 81640062]

約数ペア:

[(1, 81640062), (2, 40820031), (3, 27213354), (6, 13606677), (7, 11662866), (9, 9071118), (14, 5831433), (18, 4535559), (21, 3887622), (27, 3023706), (42, 1943811), (54, 1511853), (63, 1295874), (81, 1007902), (126, 647937), (162, 503951), (189, 431958), (378, 215979), (567, 143986), (1134, 71993)]