268459737

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2477}}^1$

素因数の和:2897

約数の個数: 32

約数和(自身を含む): 441837312

約数和(自身を除く): 173377575

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 397, 1191, 2477, 2779, 5161, 7431, 8337, 15483, 17339, 32201, 36127, 52017, 96603, 108381, 225407, 676221, 983369, 2950107, 6883583, 12783797, 20650749, 38351391, 89486579, 268459737]

約数ペア:

[(1, 268459737), (3, 89486579), (7, 38351391), (13, 20650749), (21, 12783797), (39, 6883583), (91, 2950107), (273, 983369), (397, 676221), (1191, 225407), (2477, 108381), (2779, 96603), (5161, 52017), (7431, 36127), (8337, 32201), (15483, 17339)]