20172122019

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2657}}^1\times {\mathrm{3257}}^1$

素因数の和:5964

約数の個数: 48

約数和(自身を含む): 34223387328

約数和(自身を除く): 14051265309

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 2657, 3257, 7971, 9771, 18599, 22799, 23913, 29313, 55797, 68397, 98309, 120509, 167391, 205191, 294927, 361527, 688163, 843563, 884781, 1084581, 2064489, 2530689, 6193467, 7592067, 8653849, 25961547, 60576943, 77884641, 181730829, 320192413, 545192487, 960577239, 2241346891, 2881731717, 6724040673, 20172122019]

約数ペア:

[(1, 20172122019), (3, 6724040673), (7, 2881731717), (9, 2241346891), (21, 960577239), (37, 545192487), (63, 320192413), (111, 181730829), (259, 77884641), (333, 60576943), (777, 25961547), (2331, 8653849), (2657, 7592067), (3257, 6193467), (7971, 2530689), (9771, 2064489), (18599, 1084581), (22799, 884781), (23913, 843563), (29313, 688163), (55797, 361527), (68397, 294927), (98309, 205191), (120509, 167391)]