157029443697

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393557503}}^1$

素因数の和:393557532

約数の個数: 16

約数和(自身を含む): 251876802560

約数和(自身を除く): 94847358863

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393557503, 1180672509, 2754902521, 7477592557, 8264707563, 22432777671, 52343147899, 157029443697]

約数ペア:

[(1, 157029443697), (3, 52343147899), (7, 22432777671), (19, 8264707563), (21, 7477592557), (57, 2754902521), (133, 1180672509), (399, 393557503)]