72154215

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 149065488

約数和(自身を除く): 76911273

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 49, 63, 105, 129, 147, 215, 245, 301, 315, 387, 441, 645, 735, 761, 903, 1505, 1935, 2107, 2205, 2283, 2709, 3805, 4515, 5327, 6321, 6849, 10535, 11415, 13545, 15981, 18963, 26635, 31605, 32723, 34245, 37289, 47943, 79905, 94815, 98169, 111867, 163615, 186445, 229061, 239715, 294507, 335601, 490845, 559335, 687183, 1145305, 1472535, 1603427, 1678005, 2061549, 3435915, 4810281, 8017135, 10307745, 14430843, 24051405, 72154215]

約数ペア:

[(1, 72154215), (3, 24051405), (5, 14430843), (7, 10307745), (9, 8017135), (15, 4810281), (21, 3435915), (35, 2061549), (43, 1678005), (45, 1603427), (49, 1472535), (63, 1145305), (105, 687183), (129, 559335), (147, 490845), (215, 335601), (245, 294507), (301, 239715), (315, 229061), (387, 186445), (441, 163615), (645, 111867), (735, 98169), (761, 94815), (903, 79905), (1505, 47943), (1935, 37289), (2107, 34245), (2205, 32723), (2283, 31605), (2709, 26635), (3805, 18963), (4515, 15981), (5327, 13545), (6321, 11415), (6849, 10535)]