319868787

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 537698304

約数和(自身を除く): 217829517

約数列:

[1, 3, 7, 17, 21, 43, 51, 67, 119, 129, 201, 301, 311, 357, 469, 731, 903, 933, 1139, 1407, 2177, 2193, 2881, 3417, 5117, 5287, 6531, 7973, 8643, 13373, 15351, 15861, 20167, 20837, 23919, 37009, 40119, 48977, 60501, 62511, 93611, 111027, 145859, 146931, 227341, 280833, 342839, 354229, 437577, 682023, 895991, 1028517, 1062687, 1591387, 2479603, 2687973, 4774161, 6271937, 7438809, 15231847, 18815811, 45695541, 106622929, 319868787]

約数ペア:

[(1, 319868787), (3, 106622929), (7, 45695541), (17, 18815811), (21, 15231847), (43, 7438809), (51, 6271937), (67, 4774161), (119, 2687973), (129, 2479603), (201, 1591387), (301, 1062687), (311, 1028517), (357, 895991), (469, 682023), (731, 437577), (903, 354229), (933, 342839), (1139, 280833), (1407, 227341), (2177, 146931), (2193, 145859), (2881, 111027), (3417, 93611), (5117, 62511), (5287, 60501), (6531, 48977), (7973, 40119), (8643, 37009), (13373, 23919), (15351, 20837), (15861, 20167)]