211553851995

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1\times {\mathrm{20483}}^1$

素因数の和:21121

約数の個数: 96

約数和(自身を含む): 405854572032

約数和(自身を除く): 194300720037

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 587, 765, 1035, 1173, 1761, 1955, 2935, 3519, 5283, 5865, 8805, 9979, 13501, 17595, 20483, 26415, 29937, 40503, 49895, 61449, 67505, 89811, 102415, 121509, 149685, 184347, 202515, 229517, 307245, 348211, 449055, 471109, 607545, 688551, 921735, 1044633, 1147585, 1413327, 1741055, 2065653, 2355545, 3133899, 3442755, 4239981, 5223165, 7066635, 8008853, 10328265, 12023521, 15669495, 21199905, 24026559, 36070563, 40044265, 60117605, 72079677, 108211689, 120132795, 180352815, 204399857, 276540983, 360398385, 541058445, 613199571, 829622949, 1021999285, 1382704915, 1839598713, 2488868847, 3065997855, 4148114745, 4701196711, 9197993565, 12444344235, 14103590133, 23505983555, 42310770399, 70517950665, 211553851995]

約数ペア:

[(1, 211553851995), (3, 70517950665), (5, 42310770399), (9, 23505983555), (15, 14103590133), (17, 12444344235), (23, 9197993565), (45, 4701196711), (51, 4148114745), (69, 3065997855), (85, 2488868847), (115, 1839598713), (153, 1382704915), (207, 1021999285), (255, 829622949), (345, 613199571), (391, 541058445), (587, 360398385), (765, 276540983), (1035, 204399857), (1173, 180352815), (1761, 120132795), (1955, 108211689), (2935, 72079677), (3519, 60117605), (5283, 40044265), (5865, 36070563), (8805, 24026559), (9979, 21199905), (13501, 15669495), (17595, 12023521), (20483, 10328265), (26415, 8008853), (29937, 7066635), (40503, 5223165), (49895, 4239981), (61449, 3442755), (67505, 3133899), (89811, 2355545), (102415, 2065653), (121509, 1741055), (149685, 1413327), (184347, 1147585), (202515, 1044633), (229517, 921735), (307245, 688551), (348211, 607545), (449055, 471109)]