8218449981

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{5419}}^1$

素因数の和:5639

約数の個数: 72

約数和(自身を含む): 14619040800

約数和(自身を除く): 6400590819

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 181, 399, 441, 543, 931, 1197, 1267, 1629, 2793, 3439, 3801, 5419, 8379, 8869, 10317, 11403, 16257, 24073, 26607, 30951, 37933, 48771, 72219, 79821, 102961, 113799, 168511, 216657, 265531, 308883, 341397, 505533, 720727, 796593, 926649, 980839, 1516599, 2162181, 2389779, 2942517, 5045089, 6486543, 6865873, 8827551, 15135267, 18635941, 20597619, 45405801, 48061111, 55907823, 61792857, 130451587, 144183333, 167723469, 391354761, 432549999, 913161109, 1174064283, 2739483327, 8218449981]

約数ペア:

[(1, 8218449981), (3, 2739483327), (7, 1174064283), (9, 913161109), (19, 432549999), (21, 391354761), (49, 167723469), (57, 144183333), (63, 130451587), (133, 61792857), (147, 55907823), (171, 48061111), (181, 45405801), (399, 20597619), (441, 18635941), (543, 15135267), (931, 8827551), (1197, 6865873), (1267, 6486543), (1629, 5045089), (2793, 2942517), (3439, 2389779), (3801, 2162181), (5419, 1516599), (8379, 980839), (8869, 926649), (10317, 796593), (11403, 720727), (16257, 505533), (24073, 341397), (26607, 308883), (30951, 265531), (37933, 216657), (48771, 168511), (72219, 113799), (79821, 102961)]