245870415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1811}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 488457216

約数和(自身を除く): 242586801

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 431, 1293, 1811, 2155, 3017, 3879, 5433, 6465, 9051, 9055, 12677, 15085, 16299, 19395, 27153, 27165, 38031, 45255, 63385, 81495, 114093, 135765, 190155, 570465, 780541, 2341623, 3902705, 5463787, 7024869, 11708115, 16391361, 27318935, 35124345, 49174083, 81956805, 245870415]

約数ペア:

[(1, 245870415), (3, 81956805), (5, 49174083), (7, 35124345), (9, 27318935), (15, 16391361), (21, 11708115), (35, 7024869), (45, 5463787), (63, 3902705), (105, 2341623), (315, 780541), (431, 570465), (1293, 190155), (1811, 135765), (2155, 114093), (3017, 81495), (3879, 63385), (5433, 45255), (6465, 38031), (9051, 27165), (9055, 27153), (12677, 19395), (15085, 16299)]