820129791

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 1259836416

約数和(自身を除く): 439706625

約数列:

[1, 3, 13, 23, 39, 53, 69, 159, 169, 299, 507, 689, 897, 1219, 1327, 2067, 3657, 3887, 3981, 8957, 11661, 15847, 17251, 26871, 30521, 47541, 51753, 70331, 91563, 206011, 210993, 224263, 396773, 618033, 672789, 914303, 1190319, 1617613, 2742909, 4852839, 5158049, 11885939, 15474147, 21028969, 35657817, 63086907, 273376597, 820129791]

約数ペア:

[(1, 820129791), (3, 273376597), (13, 63086907), (23, 35657817), (39, 21028969), (53, 15474147), (69, 11885939), (159, 5158049), (169, 4852839), (299, 2742909), (507, 1617613), (689, 1190319), (897, 914303), (1219, 672789), (1327, 618033), (2067, 396773), (3657, 224263), (3887, 210993), (3981, 206011), (8957, 91563), (11661, 70331), (15847, 51753), (17251, 47541), (26871, 30521)]