15940197

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19463}}^1$

素因数の和:19489

約数の個数: 24

約数和(自身を含む): 28339584

約数和(自身を除く): 12399387

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 19463, 58389, 136241, 175167, 253019, 408723, 759057, 1226169, 1771133, 2277171, 5313399, 15940197]

約数ペア:

[(1, 15940197), (3, 5313399), (7, 2277171), (9, 1771133), (13, 1226169), (21, 759057), (39, 408723), (63, 253019), (91, 175167), (117, 136241), (273, 58389), (819, 19463)]