131031615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 256352256

約数和(自身を除く): 125320641

約数列:

[1, 3, 5, 11, 13, 15, 33, 37, 39, 55, 65, 111, 127, 143, 165, 169, 185, 195, 381, 407, 429, 481, 507, 555, 635, 715, 845, 1221, 1397, 1443, 1651, 1859, 1905, 2035, 2145, 2405, 2535, 4191, 4699, 4953, 5291, 5577, 6105, 6253, 6985, 7215, 8255, 9295, 14097, 15873, 18161, 18759, 20955, 21463, 23495, 24765, 26455, 27885, 31265, 51689, 54483, 61087, 64389, 68783, 70485, 79365, 90805, 93795, 107315, 155067, 183261, 206349, 236093, 258445, 272415, 305435, 321945, 343915, 671957, 708279, 775335, 794131, 916305, 1031745, 1180465, 2015871, 2382393, 3359785, 3541395, 3970655, 8735441, 10079355, 11911965, 26206323, 43677205, 131031615]

約数ペア:

[(1, 131031615), (3, 43677205), (5, 26206323), (11, 11911965), (13, 10079355), (15, 8735441), (33, 3970655), (37, 3541395), (39, 3359785), (55, 2382393), (65, 2015871), (111, 1180465), (127, 1031745), (143, 916305), (165, 794131), (169, 775335), (185, 708279), (195, 671957), (381, 343915), (407, 321945), (429, 305435), (481, 272415), (507, 258445), (555, 236093), (635, 206349), (715, 183261), (845, 155067), (1221, 107315), (1397, 93795), (1443, 90805), (1651, 79365), (1859, 70485), (1905, 68783), (2035, 64389), (2145, 61087), (2405, 54483), (2535, 51689), (4191, 31265), (4699, 27885), (4953, 26455), (5291, 24765), (5577, 23495), (6105, 21463), (6253, 20955), (6985, 18759), (7215, 18161), (8255, 15873), (9295, 14097)]