27777015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 55598400

約数和(自身を除く): 27821385

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 109, 315, 327, 545, 763, 809, 981, 1635, 2289, 2427, 3815, 4045, 4905, 5663, 6867, 7281, 11445, 12135, 16989, 28315, 34335, 36405, 50967, 84945, 88181, 254835, 264543, 440905, 617267, 793629, 1322715, 1851801, 3086335, 3968145, 5555403, 9259005, 27777015]

約数ペア:

[(1, 27777015), (3, 9259005), (5, 5555403), (7, 3968145), (9, 3086335), (15, 1851801), (21, 1322715), (35, 793629), (45, 617267), (63, 440905), (105, 264543), (109, 254835), (315, 88181), (327, 84945), (545, 50967), (763, 36405), (809, 34335), (981, 28315), (1635, 16989), (2289, 12135), (2427, 11445), (3815, 7281), (4045, 6867), (4905, 5663)]