81750027

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 120913920

約数和(自身を除く): 39163893

約数列:

[1, 3, 19, 23, 57, 69, 127, 381, 437, 491, 1311, 1473, 2413, 2921, 7239, 8763, 9329, 11293, 27987, 33879, 55499, 62357, 166497, 187071, 214567, 643701, 1184783, 1434211, 3554349, 4302633, 27250009, 81750027]

約数ペア:

[(1, 81750027), (3, 27250009), (19, 4302633), (23, 3554349), (57, 1434211), (69, 1184783), (127, 643701), (381, 214567), (437, 187071), (491, 166497), (1311, 62357), (1473, 55499), (2413, 33879), (2921, 27987), (7239, 11293), (8763, 9329)]