1255148721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 1965450240

約数和(自身を除く): 710301519

約数列:

[1, 3, 9, 19, 57, 67, 71, 171, 201, 213, 603, 639, 1273, 1349, 1543, 3819, 4047, 4629, 4757, 11457, 12141, 13887, 14271, 29317, 42813, 87951, 90383, 103381, 109553, 263853, 271149, 310143, 328659, 813447, 930429, 985977, 1964239, 2081507, 5892717, 6244521, 7340051, 17678151, 18733563, 22020153, 66060459, 139460969, 418382907, 1255148721]

約数ペア:

[(1, 1255148721), (3, 418382907), (9, 139460969), (19, 66060459), (57, 22020153), (67, 18733563), (71, 17678151), (171, 7340051), (201, 6244521), (213, 5892717), (603, 2081507), (639, 1964239), (1273, 985977), (1349, 930429), (1543, 813447), (3819, 328659), (4047, 310143), (4629, 271149), (4757, 263853), (11457, 109553), (12141, 103381), (13887, 90383), (14271, 87951), (29317, 42813)]