1287839805

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{10883}}^1$

素因数の和:10935

約数の個数: 64

約数和(自身を含む): 2507673600

約数和(自身を除く): 1219833795

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 343, 345, 483, 735, 805, 1029, 1127, 1715, 2415, 3381, 5145, 5635, 7889, 10883, 16905, 23667, 32649, 39445, 54415, 76181, 118335, 163245, 228543, 250309, 380905, 533267, 750927, 1142715, 1251545, 1599801, 1752163, 2666335, 3732869, 3754635, 5256489, 7999005, 8760815, 11198607, 12265141, 18664345, 26282445, 36795423, 55993035, 61325705, 85855987, 183977115, 257567961, 429279935, 1287839805]

約数ペア:

[(1, 1287839805), (3, 429279935), (5, 257567961), (7, 183977115), (15, 85855987), (21, 61325705), (23, 55993035), (35, 36795423), (49, 26282445), (69, 18664345), (105, 12265141), (115, 11198607), (147, 8760815), (161, 7999005), (245, 5256489), (343, 3754635), (345, 3732869), (483, 2666335), (735, 1752163), (805, 1599801), (1029, 1251545), (1127, 1142715), (1715, 750927), (2415, 533267), (3381, 380905), (5145, 250309), (5635, 228543), (7889, 163245), (10883, 118335), (16905, 76181), (23667, 54415), (32649, 39445)]