156985647

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 264595968

約数和(自身を除く): 107610321

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 311, 559, 903, 933, 1677, 1849, 2177, 3913, 4043, 5547, 6531, 11739, 12129, 12943, 13373, 24037, 28301, 38829, 40119, 72111, 84903, 93611, 168259, 173849, 280833, 504777, 521547, 575039, 1216943, 1725117, 3650829, 4025273, 7475507, 12075819, 22426521, 52328549, 156985647]

約数ペア:

[(1, 156985647), (3, 52328549), (7, 22426521), (13, 12075819), (21, 7475507), (39, 4025273), (43, 3650829), (91, 1725117), (129, 1216943), (273, 575039), (301, 521547), (311, 504777), (559, 280833), (903, 173849), (933, 168259), (1677, 93611), (1849, 84903), (2177, 72111), (3913, 40119), (4043, 38829), (5547, 28301), (6531, 24037), (11739, 13373), (12129, 12943)]