291225249

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271919}}^1$

素因数の和:271949

約数の個数: 24

約数和(自身を含む): 509034240

約数和(自身を除く): 217808991

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 271919, 815757, 1903433, 2447271, 4622623, 5710299, 13867869, 17130897, 32358361, 41603607, 97075083, 291225249]

約数ペア:

[(1, 291225249), (3, 97075083), (7, 41603607), (9, 32358361), (17, 17130897), (21, 13867869), (51, 5710299), (63, 4622623), (119, 2447271), (153, 1903433), (357, 815757), (1071, 271919)]