31563009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1409}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 48391200

約数和(自身を除く): 16828191

約数列:

[1, 3, 9, 19, 57, 131, 171, 393, 1179, 1409, 2489, 4227, 7467, 12681, 22401, 26771, 80313, 184579, 240939, 553737, 1661211, 3507001, 10521003, 31563009]

約数ペア:

[(1, 31563009), (3, 10521003), (9, 3507001), (19, 1661211), (57, 553737), (131, 240939), (171, 184579), (393, 80313), (1179, 26771), (1409, 22401), (2489, 12681), (4227, 7467)]