289898817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 427593600

約数和(自身を除く): 137694783

約数列:

[1, 3, 13, 39, 53, 139, 159, 417, 689, 1009, 1807, 2067, 3027, 5421, 7367, 13117, 22101, 39351, 53477, 95771, 140251, 160431, 287313, 420753, 695201, 1823263, 2085603, 5469789, 7433303, 22299909, 96632939, 289898817]

約数ペア:

[(1, 289898817), (3, 96632939), (13, 22299909), (39, 7433303), (53, 5469789), (139, 2085603), (159, 1823263), (417, 695201), (689, 420753), (1009, 287313), (1807, 160431), (2067, 140251), (3027, 95771), (5421, 53477), (7367, 39351), (13117, 22101)]