213344811

素因数分解:

$3^2\times {\mathrm{173}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 311721696

約数和(自身を除く): 98376885

約数列:

[1, 3, 9, 173, 263, 519, 521, 789, 1557, 1563, 2367, 4689, 45499, 90133, 136497, 137023, 270399, 409491, 411069, 811197, 1233207, 23704979, 71114937, 213344811]

約数ペア:

[(1, 213344811), (3, 71114937), (9, 23704979), (173, 1233207), (263, 811197), (519, 411069), (521, 409491), (789, 270399), (1557, 137023), (1563, 136497), (2367, 90133), (4689, 45499)]