16851915

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2960

約数の個数: 32

約数和(自身を含む): 30666240

約数和(自身を除く): 13814325

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 2903, 5805, 8709, 14515, 26127, 43545, 78381, 124829, 130635, 374487, 391905, 624145, 1123461, 1872435, 3370383, 5617305, 16851915]

約数ペア:

[(1, 16851915), (3, 5617305), (5, 3370383), (9, 1872435), (15, 1123461), (27, 624145), (43, 391905), (45, 374487), (129, 130635), (135, 124829), (215, 78381), (387, 43545), (645, 26127), (1161, 14515), (1935, 8709), (2903, 5805)]