1999304811

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:518

約数の個数: 96

約数和(自身を含む): 3594240000

約数和(自身を除く): 1594935189

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 89, 133, 147, 171, 267, 343, 383, 399, 441, 623, 801, 931, 1029, 1149, 1197, 1691, 1869, 2681, 2793, 3087, 3447, 4361, 5073, 5607, 6517, 7277, 8043, 8379, 11837, 13083, 15219, 18767, 19551, 21831, 24129, 30527, 34087, 35511, 39249, 50939, 56301, 58653, 65493, 82859, 91581, 102261, 106533, 131369, 152817, 168903, 238609, 248577, 274743, 306783, 356573, 394107, 458451, 580013, 647653, 715827, 745731, 1069719, 1182321, 1670263, 1740039, 1942959, 2147481, 2496011, 3209157, 4533571, 5010789, 5220117, 5828877, 7488033, 11691841, 13600713, 15032367, 22464099, 31734997, 35075523, 40802139, 95204991, 105226569, 222144979, 285614973, 666434937, 1999304811]

約数ペア:

[(1, 1999304811), (3, 666434937), (7, 285614973), (9, 222144979), (19, 105226569), (21, 95204991), (49, 40802139), (57, 35075523), (63, 31734997), (89, 22464099), (133, 15032367), (147, 13600713), (171, 11691841), (267, 7488033), (343, 5828877), (383, 5220117), (399, 5010789), (441, 4533571), (623, 3209157), (801, 2496011), (931, 2147481), (1029, 1942959), (1149, 1740039), (1197, 1670263), (1691, 1182321), (1869, 1069719), (2681, 745731), (2793, 715827), (3087, 647653), (3447, 580013), (4361, 458451), (5073, 394107), (5607, 356573), (6517, 306783), (7277, 274743), (8043, 248577), (8379, 238609), (11837, 168903), (13083, 152817), (15219, 131369), (18767, 106533), (19551, 102261), (21831, 91581), (24129, 82859), (30527, 65493), (34087, 58653), (35511, 56301), (39249, 50939)]