77872221

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{6089}}^1$

素因数の和:6138

約数の個数: 36

約数和(自身を含む): 135380700

約数和(自身を除く): 57508479

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 4263, 6089, 12789, 18267, 42623, 54801, 127869, 176581, 298361, 383607, 529743, 895083, 1236067, 1589229, 2685249, 3708201, 8652469, 11124603, 25957407, 77872221]

約数ペア:

[(1, 77872221), (3, 25957407), (7, 11124603), (9, 8652469), (21, 3708201), (29, 2685249), (49, 1589229), (63, 1236067), (87, 895083), (147, 529743), (203, 383607), (261, 298361), (441, 176581), (609, 127869), (1421, 54801), (1827, 42623), (4263, 18267), (6089, 12789)]