420452007

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 642896352

約数和(自身を除く): 222444345

約数列:

[1, 3, 17, 19, 41, 51, 57, 123, 323, 361, 557, 697, 779, 969, 1083, 1671, 2091, 2337, 6137, 9469, 10583, 13243, 14801, 18411, 22837, 28407, 31749, 39729, 44403, 68511, 179911, 201077, 251617, 388229, 433903, 539733, 603231, 754851, 1164687, 1301709, 3418309, 7376351, 8244157, 10254927, 22129053, 24732471, 140150669, 420452007]

約数ペア:

[(1, 420452007), (3, 140150669), (17, 24732471), (19, 22129053), (41, 10254927), (51, 8244157), (57, 7376351), (123, 3418309), (323, 1301709), (361, 1164687), (557, 754851), (697, 603231), (779, 539733), (969, 433903), (1083, 388229), (1671, 251617), (2091, 201077), (2337, 179911), (6137, 68511), (9469, 44403), (10583, 39729), (13243, 31749), (14801, 28407), (18411, 22837)]