917140497

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 1685376000

約数和(自身を除く): 768235503

約数列:

[1, 3, 7, 13, 17, 21, 37, 39, 49, 51, 91, 109, 111, 119, 147, 221, 259, 273, 327, 343, 357, 481, 629, 637, 663, 763, 777, 833, 1029, 1417, 1443, 1547, 1813, 1853, 1887, 1911, 2289, 2499, 3367, 4033, 4251, 4403, 4459, 4641, 5341, 5439, 5559, 5831, 8177, 9919, 10101, 10829, 12099, 12691, 12971, 13209, 13377, 16023, 17493, 23569, 24089, 24531, 28231, 29757, 30821, 32487, 37387, 38073, 38913, 52429, 57239, 68561, 69433, 70707, 72267, 75803, 84693, 90797, 92463, 112161, 157287, 164983, 168623, 171717, 197617, 205683, 208299, 215747, 227409, 272391, 367003, 400673, 479927, 486031, 494949, 505869, 592851, 635579, 647241, 891293, 1101009, 1180361, 1202019, 1383319, 1439781, 1458093, 1906737, 2569021, 2673879, 2804711, 3359489, 3541083, 4149957, 6239051, 7707063, 8262527, 8414133, 10078467, 17983147, 18717153, 23516423, 24787581, 43673357, 53949441, 70549269, 131020071, 305713499, 917140497]

約数ペア:

[(1, 917140497), (3, 305713499), (7, 131020071), (13, 70549269), (17, 53949441), (21, 43673357), (37, 24787581), (39, 23516423), (49, 18717153), (51, 17983147), (91, 10078467), (109, 8414133), (111, 8262527), (119, 7707063), (147, 6239051), (221, 4149957), (259, 3541083), (273, 3359489), (327, 2804711), (343, 2673879), (357, 2569021), (481, 1906737), (629, 1458093), (637, 1439781), (663, 1383319), (763, 1202019), (777, 1180361), (833, 1101009), (1029, 891293), (1417, 647241), (1443, 635579), (1547, 592851), (1813, 505869), (1853, 494949), (1887, 486031), (1911, 479927), (2289, 400673), (2499, 367003), (3367, 272391), (4033, 227409), (4251, 215747), (4403, 208299), (4459, 205683), (4641, 197617), (5341, 171717), (5439, 168623), (5559, 164983), (5831, 157287), (8177, 112161), (9919, 92463), (10101, 90797), (10829, 84693), (12099, 75803), (12691, 72267), (12971, 70707), (13209, 69433), (13377, 68561), (16023, 57239), (17493, 52429), (23569, 38913), (24089, 38073), (24531, 37387), (28231, 32487), (29757, 30821)]