80390349

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 139499360

約数和(自身を除く): 59109011

約数列:

[1, 3, 9, 13, 19, 29, 39, 43, 57, 87, 117, 129, 171, 247, 261, 377, 387, 551, 559, 741, 817, 841, 1131, 1247, 1653, 1677, 2223, 2451, 2523, 3393, 3741, 4959, 5031, 7163, 7353, 7569, 10621, 10933, 11223, 15979, 16211, 21489, 23693, 31863, 32799, 36163, 47937, 48633, 64467, 71079, 95589, 98397, 108489, 143811, 145899, 207727, 213237, 308009, 325467, 470119, 623181, 687097, 924027, 1410357, 1869543, 2061291, 2772081, 4231071, 6183873, 8932261, 26796783, 80390349]

約数ペア:

[(1, 80390349), (3, 26796783), (9, 8932261), (13, 6183873), (19, 4231071), (29, 2772081), (39, 2061291), (43, 1869543), (57, 1410357), (87, 924027), (117, 687097), (129, 623181), (171, 470119), (247, 325467), (261, 308009), (377, 213237), (387, 207727), (551, 145899), (559, 143811), (741, 108489), (817, 98397), (841, 95589), (1131, 71079), (1247, 64467), (1653, 48633), (1677, 47937), (2223, 36163), (2451, 32799), (2523, 31863), (3393, 23693), (3741, 21489), (4959, 16211), (5031, 15979), (7163, 11223), (7353, 10933), (7569, 10621)]