1557014739

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{2011}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 2532222720

約数和(自身を除く): 975207981

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 229, 483, 687, 1127, 1603, 2011, 3381, 4809, 5267, 6033, 11221, 14077, 15801, 33663, 36869, 42231, 46253, 98539, 110607, 138759, 258083, 295617, 323771, 460519, 774249, 971313, 1381557, 2266397, 3223633, 6799191, 9670899, 10591937, 22565431, 31775811, 67696293, 74143559, 222430677, 519004913, 1557014739]

約数ペア:

[(1, 1557014739), (3, 519004913), (7, 222430677), (21, 74143559), (23, 67696293), (49, 31775811), (69, 22565431), (147, 10591937), (161, 9670899), (229, 6799191), (483, 3223633), (687, 2266397), (1127, 1381557), (1603, 971313), (2011, 774249), (3381, 460519), (4809, 323771), (5267, 295617), (6033, 258083), (11221, 138759), (14077, 110607), (15801, 98539), (33663, 46253), (36869, 42231)]