137431475

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 174409968

約数和(自身を除く): 36978493

約数列:

[1, 5, 25, 61, 227, 305, 397, 1135, 1525, 1985, 5675, 9925, 13847, 24217, 69235, 90119, 121085, 346175, 450595, 605425, 2252975, 5497259, 27486295, 137431475]

約数ペア:

[(1, 137431475), (5, 27486295), (25, 5497259), (61, 2252975), (227, 605425), (305, 450595), (397, 346175), (1135, 121085), (1525, 90119), (1985, 69235), (5675, 24217), (9925, 13847)]