245816991

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{76507}}^1$

素因数の和:76540

約数の個数: 32

約数和(自身を含む): 440686080

約数和(自身を除く): 194869089

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 76507, 229521, 535549, 688563, 1300619, 1606647, 2065689, 3901857, 4819941, 9104333, 11705571, 14459823, 27312999, 35116713, 81938997, 245816991]

約数ペア:

[(1, 245816991), (3, 81938997), (7, 35116713), (9, 27312999), (17, 14459823), (21, 11705571), (27, 9104333), (51, 4819941), (63, 3901857), (119, 2065689), (153, 1606647), (189, 1300619), (357, 688563), (459, 535549), (1071, 229521), (3213, 76507)]