7927647

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 13224960

約数和(自身を除く): 5297313

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 409, 497, 923, 1227, 1491, 2769, 2863, 5317, 6461, 8589, 15951, 19383, 29039, 37219, 87117, 111657, 203273, 377507, 609819, 1132521, 2642549, 7927647]

約数ペア:

[(1, 7927647), (3, 2642549), (7, 1132521), (13, 609819), (21, 377507), (39, 203273), (71, 111657), (91, 87117), (213, 37219), (273, 29039), (409, 19383), (497, 15951), (923, 8589), (1227, 6461), (1491, 5317), (2769, 2863)]