401024871

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{21557}}^1$

素因数の和:21632

約数の個数: 32

約数和(自身を含む): 651913920

約数和(自身を除く): 250889049

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 159, 351, 477, 689, 1431, 2067, 6201, 18603, 21557, 64671, 194013, 280241, 582039, 840723, 1142521, 2522169, 3427563, 7566507, 10282689, 14852773, 30848067, 44558319, 133674957, 401024871]

約数ペア:

[(1, 401024871), (3, 133674957), (9, 44558319), (13, 30848067), (27, 14852773), (39, 10282689), (53, 7566507), (117, 3427563), (159, 2522169), (351, 1142521), (477, 840723), (689, 582039), (1431, 280241), (2067, 194013), (6201, 64671), (18603, 21557)]