2912181993

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{983513}}^1$

素因数の和:983573

約数の個数: 24

約数和(自身を含む): 4909701888

約数和(自身を除く): 1997519895

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 983513, 2950539, 6884591, 8851617, 20653773, 46225111, 61961319, 138675333, 323575777, 416025999, 970727331, 2912181993]

約数ペア:

[(1, 2912181993), (3, 970727331), (7, 416025999), (9, 323575777), (21, 138675333), (47, 61961319), (63, 46225111), (141, 20653773), (329, 8851617), (423, 6884591), (987, 2950539), (2961, 983513)]