385620945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{2971}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 654791040

約数和(自身を除く): 269170095

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 509, 1527, 2545, 2971, 7635, 8653, 8913, 14855, 25959, 43265, 44565, 50507, 129795, 151521, 252535, 757605, 1512239, 4536717, 7561195, 22683585, 25708063, 77124189, 128540315, 385620945]

約数ペア:

[(1, 385620945), (3, 128540315), (5, 77124189), (15, 25708063), (17, 22683585), (51, 7561195), (85, 4536717), (255, 1512239), (509, 757605), (1527, 252535), (2545, 151521), (2971, 129795), (7635, 50507), (8653, 44565), (8913, 43265), (14855, 25959)]