813804561

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{206917}}^1$

素因数の和:206965

約数の個数: 24

約数和(自身を含む): 1291168320

約数和(自身を除く): 477363759

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 206917, 620751, 1862253, 3931423, 4759091, 11794269, 14277273, 35382807, 42831819, 90422729, 271268187, 813804561]

約数ペア:

[(1, 813804561), (3, 271268187), (9, 90422729), (19, 42831819), (23, 35382807), (57, 14277273), (69, 11794269), (171, 4759091), (207, 3931423), (437, 1862253), (1311, 620751), (3933, 206917)]