65251719

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 108108000

約数和(自身を除く): 42856281

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 149, 171, 197, 247, 447, 591, 741, 1341, 1773, 1937, 2223, 2561, 2831, 3743, 5811, 7683, 8493, 11229, 17433, 23049, 25479, 29353, 33687, 36803, 48659, 88059, 110409, 145977, 264177, 331227, 381589, 437931, 557707, 1144767, 1673121, 3434301, 5019363, 7250191, 21750573, 65251719]

約数ペア:

[(1, 65251719), (3, 21750573), (9, 7250191), (13, 5019363), (19, 3434301), (39, 1673121), (57, 1144767), (117, 557707), (149, 437931), (171, 381589), (197, 331227), (247, 264177), (447, 145977), (591, 110409), (741, 88059), (1341, 48659), (1773, 36803), (1937, 33687), (2223, 29353), (2561, 25479), (2831, 23049), (3743, 17433), (5811, 11229), (7683, 8493)]