64393557

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{503}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 86929920

約数和(自身を除く): 22536363

約数列:

[1, 3, 139, 307, 417, 503, 921, 1509, 42673, 69917, 128019, 154421, 209751, 463263, 21464519, 64393557]

約数ペア:

[(1, 64393557), (3, 21464519), (139, 463263), (307, 209751), (417, 154421), (503, 128019), (921, 69917), (1509, 42673)]