142976463

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 239616000

約数和(自身を除く): 96639537

約数列:

[1, 3, 7, 19, 21, 49, 57, 71, 103, 133, 147, 213, 309, 343, 399, 497, 721, 931, 1029, 1349, 1491, 1957, 2163, 2793, 3479, 4047, 5047, 5871, 6517, 7313, 9443, 10437, 13699, 15141, 19551, 21939, 24353, 28329, 35329, 41097, 51191, 66101, 73059, 95893, 105987, 138947, 153573, 198303, 287679, 358337, 416841, 462707, 671251, 972629, 1075011, 1388121, 2013753, 2508359, 2917887, 6808403, 7525077, 20425209, 47658821, 142976463]

約数ペア:

[(1, 142976463), (3, 47658821), (7, 20425209), (19, 7525077), (21, 6808403), (49, 2917887), (57, 2508359), (71, 2013753), (103, 1388121), (133, 1075011), (147, 972629), (213, 671251), (309, 462707), (343, 416841), (399, 358337), (497, 287679), (721, 198303), (931, 153573), (1029, 138947), (1349, 105987), (1491, 95893), (1957, 73059), (2163, 66101), (2793, 51191), (3479, 41097), (4047, 35329), (5047, 28329), (5871, 24353), (6517, 21939), (7313, 19551), (9443, 15141), (10437, 13699)]