287073801

素因数分解:

$3^4\times 7^2\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:656

約数の個数: 60

約数和(自身を含む): 503205120

約数和(自身を除く): 216131319

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 151, 189, 441, 453, 479, 567, 1057, 1323, 1359, 1437, 3171, 3353, 3969, 4077, 4311, 7399, 9513, 10059, 12231, 12933, 22197, 23471, 28539, 30177, 38799, 66591, 70413, 72329, 85617, 90531, 199773, 211239, 216987, 271593, 506303, 599319, 633717, 650961, 1518909, 1901151, 1952883, 3544121, 4556727, 5858649, 10632363, 13670181, 31897089, 41010543, 95691267, 287073801]

約数ペア:

[(1, 287073801), (3, 95691267), (7, 41010543), (9, 31897089), (21, 13670181), (27, 10632363), (49, 5858649), (63, 4556727), (81, 3544121), (147, 1952883), (151, 1901151), (189, 1518909), (441, 650961), (453, 633717), (479, 599319), (567, 506303), (1057, 271593), (1323, 216987), (1359, 211239), (1437, 199773), (3171, 90531), (3353, 85617), (3969, 72329), (4077, 70413), (4311, 66591), (7399, 38799), (9513, 30177), (10059, 28539), (12231, 23471), (12933, 22197)]