1268279127

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 2087685600

約数和(自身を除く): 819406473

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 157, 171, 181, 261, 471, 513, 543, 551, 783, 1413, 1539, 1629, 1653, 2349, 2983, 3439, 4239, 4553, 4887, 4959, 5249, 8949, 10317, 12717, 13659, 14661, 14877, 15747, 26847, 28417, 30951, 40977, 44631, 47241, 80541, 85251, 86507, 92853, 99731, 122931, 141723, 241623, 255753, 259521, 278559, 299193, 368793, 425169, 539923, 767259, 778563, 824093, 897579, 1619769, 2301777, 2335689, 2472279, 2692737, 4859307, 7007067, 7416837, 8078211, 14577921, 15657767, 22250511, 43733763, 46973301, 66751533, 140919903, 422759709, 1268279127]

約数ペア:

[(1, 1268279127), (3, 422759709), (9, 140919903), (19, 66751533), (27, 46973301), (29, 43733763), (57, 22250511), (81, 15657767), (87, 14577921), (157, 8078211), (171, 7416837), (181, 7007067), (261, 4859307), (471, 2692737), (513, 2472279), (543, 2335689), (551, 2301777), (783, 1619769), (1413, 897579), (1539, 824093), (1629, 778563), (1653, 767259), (2349, 539923), (2983, 425169), (3439, 368793), (4239, 299193), (4553, 278559), (4887, 259521), (4959, 255753), (5249, 241623), (8949, 141723), (10317, 122931), (12717, 99731), (13659, 92853), (14661, 86507), (14877, 85251), (15747, 80541), (26847, 47241), (28417, 44631), (30951, 40977)]