257193729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{46771}}^1$

素因数の和:46837

約数の個数: 24

約数和(自身を含む): 408600192

約数和(自身を除く): 151406463

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 5499, 46771, 140313, 420939, 608023, 1824069, 2198237, 5472207, 6594711, 19784133, 28577081, 85731243, 257193729]

約数ペア:

[(1, 257193729), (3, 85731243), (9, 28577081), (13, 19784133), (39, 6594711), (47, 5472207), (117, 2198237), (141, 1824069), (423, 608023), (611, 420939), (1833, 140313), (5499, 46771)]