13137621

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7919}}^1$

素因数の和:8008

約数の個数: 16

約数和(自身を含む): 20275200

約数和(自身を除く): 7137579

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 7919, 23757, 55433, 166299, 625601, 1876803, 4379207, 13137621]

約数ペア:

[(1, 13137621), (3, 4379207), (7, 1876803), (21, 625601), (79, 166299), (237, 55433), (553, 23757), (1659, 7919)]