80140347

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 148220160

約数和(自身を除く): 68079813

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 57, 63, 81, 129, 133, 171, 173, 189, 301, 387, 399, 513, 519, 567, 817, 903, 1161, 1197, 1211, 1539, 1557, 2451, 2709, 3287, 3483, 3591, 3633, 4671, 5719, 7353, 7439, 8127, 9861, 10773, 10899, 14013, 17157, 22059, 22317, 23009, 24381, 29583, 32697, 51471, 52073, 66177, 66951, 69027, 88749, 98091, 141341, 154413, 156219, 200853, 207081, 266247, 424023, 463239, 468657, 602559, 621243, 989387, 1272069, 1405971, 1863729, 2968161, 3816207, 4217913, 8904483, 11448621, 26713449, 80140347]

約数ペア:

[(1, 80140347), (3, 26713449), (7, 11448621), (9, 8904483), (19, 4217913), (21, 3816207), (27, 2968161), (43, 1863729), (57, 1405971), (63, 1272069), (81, 989387), (129, 621243), (133, 602559), (171, 468657), (173, 463239), (189, 424023), (301, 266247), (387, 207081), (399, 200853), (513, 156219), (519, 154413), (567, 141341), (817, 98091), (903, 88749), (1161, 69027), (1197, 66951), (1211, 66177), (1539, 52073), (1557, 51471), (2451, 32697), (2709, 29583), (3287, 24381), (3483, 23009), (3591, 22317), (3633, 22059), (4671, 17157), (5719, 14013), (7353, 10899), (7439, 10773), (8127, 9861)]