51217815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 93768192

約数和(自身を除く): 42550377

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 67, 113, 123, 165, 201, 205, 335, 339, 451, 565, 615, 737, 1005, 1243, 1353, 1695, 2211, 2255, 2747, 3685, 3729, 4633, 6215, 6765, 7571, 8241, 11055, 13735, 13899, 18645, 22713, 23165, 30217, 37855, 41205, 50963, 69495, 83281, 90651, 113565, 151085, 152889, 249843, 254815, 310411, 416405, 453255, 764445, 931233, 1249215, 1552055, 3414521, 4656165, 10243563, 17072605, 51217815]

約数ペア:

[(1, 51217815), (3, 17072605), (5, 10243563), (11, 4656165), (15, 3414521), (33, 1552055), (41, 1249215), (55, 931233), (67, 764445), (113, 453255), (123, 416405), (165, 310411), (201, 254815), (205, 249843), (335, 152889), (339, 151085), (451, 113565), (565, 90651), (615, 83281), (737, 69495), (1005, 50963), (1243, 41205), (1353, 37855), (1695, 30217), (2211, 23165), (2255, 22713), (2747, 18645), (3685, 13899), (3729, 13735), (4633, 11055), (6215, 8241), (6765, 7571)]