72519381

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 119064000

約数和(自身を除く): 46544619

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 199, 297, 409, 597, 891, 1227, 1791, 2189, 3681, 4499, 5373, 6567, 11043, 13497, 16119, 19701, 33129, 40491, 59103, 81391, 121473, 177309, 244173, 364419, 732519, 895301, 2197557, 2685903, 6592671, 8057709, 24173127, 72519381]

約数ペア:

[(1, 72519381), (3, 24173127), (9, 8057709), (11, 6592671), (27, 2685903), (33, 2197557), (81, 895301), (99, 732519), (199, 364419), (297, 244173), (409, 177309), (597, 121473), (891, 81391), (1227, 59103), (1791, 40491), (2189, 33129), (3681, 19701), (4499, 16119), (5373, 13497), (6567, 11043)]