684577521

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{478391}}^1$

素因数の和:478453

約数の個数: 16

約数和(自身を含む): 1033326720

約数和(自身を除く): 348749199

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 478391, 1435173, 4305519, 12916557, 25354723, 76064169, 228192507, 684577521]

約数ペア:

[(1, 684577521), (3, 228192507), (9, 76064169), (27, 25354723), (53, 12916557), (159, 4305519), (477, 1435173), (1431, 478391)]