31389957

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 50124800

約数和(自身を除く): 18734843

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 1161, 1423, 2451, 4269, 7353, 12807, 22059, 27037, 38421, 61189, 81111, 183567, 243333, 550701, 729999, 1162591, 1652103, 3487773, 10463319, 31389957]

約数ペア:

[(1, 31389957), (3, 10463319), (9, 3487773), (19, 1652103), (27, 1162591), (43, 729999), (57, 550701), (129, 243333), (171, 183567), (387, 81111), (513, 61189), (817, 38421), (1161, 27037), (1423, 22059), (2451, 12807), (4269, 7353)]