12972911

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 15433728

約数和(自身を除く): 2460817

約数列:

[1, 7, 31, 191, 217, 313, 1337, 2191, 5921, 9703, 41447, 59783, 67921, 418481, 1853273, 12972911]

約数ペア:

[(1, 12972911), (7, 1853273), (31, 418481), (191, 67921), (217, 59783), (313, 41447), (1337, 9703), (2191, 5921)]