64780989

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 109549440

約数和(自身を除く): 44768451

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 109, 147, 273, 311, 327, 637, 763, 933, 1417, 1911, 2177, 2289, 4043, 4251, 5341, 6531, 9919, 12129, 15239, 16023, 28301, 29757, 33899, 45717, 69433, 84903, 101697, 198107, 208299, 237293, 440687, 594321, 711879, 1322061, 1661051, 3084809, 4983153, 9254427, 21593663, 64780989]

約数ペア:

[(1, 64780989), (3, 21593663), (7, 9254427), (13, 4983153), (21, 3084809), (39, 1661051), (49, 1322061), (91, 711879), (109, 594321), (147, 440687), (273, 237293), (311, 208299), (327, 198107), (637, 101697), (763, 84903), (933, 69433), (1417, 45717), (1911, 33899), (2177, 29757), (2289, 28301), (4043, 16023), (4251, 15239), (5341, 12129), (6531, 9919)]