1489749891

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 2480950080

約数和(自身を除く): 991200189

約数列:

[1, 3, 7, 19, 21, 49, 57, 67, 133, 147, 201, 361, 399, 419, 469, 931, 1083, 1257, 1273, 1407, 2527, 2793, 2933, 3283, 3819, 7581, 7961, 8799, 8911, 9849, 17689, 20531, 23883, 24187, 26733, 28073, 53067, 55727, 61593, 62377, 72561, 84219, 151259, 167181, 169309, 187131, 196511, 390089, 453777, 507927, 533387, 589533, 1058813, 1170267, 1185163, 1375577, 1600161, 3176439, 3555489, 3733709, 4126731, 7411691, 10134353, 11201127, 22235073, 26135963, 30403059, 70940471, 78407889, 212821413, 496583297, 1489749891]

約数ペア:

[(1, 1489749891), (3, 496583297), (7, 212821413), (19, 78407889), (21, 70940471), (49, 30403059), (57, 26135963), (67, 22235073), (133, 11201127), (147, 10134353), (201, 7411691), (361, 4126731), (399, 3733709), (419, 3555489), (469, 3176439), (931, 1600161), (1083, 1375577), (1257, 1185163), (1273, 1170267), (1407, 1058813), (2527, 589533), (2793, 533387), (2933, 507927), (3283, 453777), (3819, 390089), (7581, 196511), (7961, 187131), (8799, 169309), (8911, 167181), (9849, 151259), (17689, 84219), (20531, 72561), (23883, 62377), (24187, 61593), (26733, 55727), (28073, 53067)]