8242941

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 13450240

約数和(自身を除く): 5207299

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 283, 399, 511, 849, 1387, 1533, 1981, 4161, 5377, 5943, 9709, 16131, 20659, 29127, 37639, 61977, 112917, 144613, 392521, 433839, 1177563, 2747647, 8242941]

約数ペア:

[(1, 8242941), (3, 2747647), (7, 1177563), (19, 433839), (21, 392521), (57, 144613), (73, 112917), (133, 61977), (219, 37639), (283, 29127), (399, 20659), (511, 16131), (849, 9709), (1387, 5943), (1533, 5377), (1981, 4161)]