7287381

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 11491200

約数和(自身を除く): 4203819

約数列:

[1, 3, 9, 27, 29, 41, 87, 123, 227, 261, 369, 681, 783, 1107, 1189, 2043, 3567, 6129, 6583, 9307, 10701, 19749, 27921, 32103, 59247, 83763, 177741, 251289, 269903, 809709, 2429127, 7287381]

約数ペア:

[(1, 7287381), (3, 2429127), (9, 809709), (27, 269903), (29, 251289), (41, 177741), (87, 83763), (123, 59247), (227, 32103), (261, 27921), (369, 19749), (681, 10701), (783, 9307), (1107, 6583), (1189, 6129), (2043, 3567)]