788474961

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 1209821184

約数和(自身を除く): 421346223

約数列:

[1, 3, 9, 43, 47, 67, 129, 141, 201, 387, 423, 603, 647, 1941, 2021, 2881, 3149, 5823, 6063, 8643, 9447, 18189, 25929, 27821, 28341, 30409, 43349, 83463, 91227, 130047, 135407, 250389, 273681, 390141, 406221, 1218663, 1307587, 1864007, 2037403, 3922761, 5592021, 6112209, 11768283, 16776063, 18336627, 87608329, 262824987, 788474961]

約数ペア:

[(1, 788474961), (3, 262824987), (9, 87608329), (43, 18336627), (47, 16776063), (67, 11768283), (129, 6112209), (141, 5592021), (201, 3922761), (387, 2037403), (423, 1864007), (603, 1307587), (647, 1218663), (1941, 406221), (2021, 390141), (2881, 273681), (3149, 250389), (5823, 135407), (6063, 130047), (8643, 91227), (9447, 83463), (18189, 43349), (25929, 30409), (27821, 28341)]