1978049009223

素因数分解:

$3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{3469}}^1\times {\mathrm{10181}}^1$

素因数の和:13797

約数の個数: 72

約数和(自身を含む): 3351125905920

約数和(自身を除く): 1373076896697

約数列:

[1, 3, 7, 9, 21, 49, 63, 127, 147, 381, 441, 889, 1143, 2667, 3469, 6223, 8001, 10181, 10407, 18669, 24283, 30543, 31221, 56007, 71267, 72849, 91629, 169981, 213801, 218547, 440563, 498869, 509943, 641403, 1292987, 1321689, 1496607, 1529829, 3083941, 3878961, 3965067, 4489821, 9050909, 9251823, 11636883, 21587587, 27152727, 27755469, 35317889, 63356363, 64762761, 81458181, 105953667, 190069089, 194288283, 247225223, 317861001, 570207267, 741675669, 1730576561, 2225027007, 4485371903, 5191729683, 13456115709, 15575189049, 31397603321, 40368347127, 94192809963, 219783223247, 282578429889, 659349669741, 1978049009223]

約数ペア:

[(1, 1978049009223), (3, 659349669741), (7, 282578429889), (9, 219783223247), (21, 94192809963), (49, 40368347127), (63, 31397603321), (127, 15575189049), (147, 13456115709), (381, 5191729683), (441, 4485371903), (889, 2225027007), (1143, 1730576561), (2667, 741675669), (3469, 570207267), (6223, 317861001), (8001, 247225223), (10181, 194288283), (10407, 190069089), (18669, 105953667), (24283, 81458181), (30543, 64762761), (31221, 63356363), (56007, 35317889), (71267, 27755469), (72849, 27152727), (91629, 21587587), (169981, 11636883), (213801, 9251823), (218547, 9050909), (440563, 4489821), (498869, 3965067), (509943, 3878961), (641403, 3083941), (1292987, 1529829), (1321689, 1496607)]