7488639

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 11980800

約数和(自身を除く): 4492161

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 389, 621, 713, 837, 1167, 2139, 3501, 6417, 8947, 10503, 12059, 19251, 26841, 36177, 80523, 108531, 241569, 277357, 325593, 832071, 2496213, 7488639]

約数ペア:

[(1, 7488639), (3, 2496213), (9, 832071), (23, 325593), (27, 277357), (31, 241569), (69, 108531), (93, 80523), (207, 36177), (279, 26841), (389, 19251), (621, 12059), (713, 10503), (837, 8947), (1167, 6417), (2139, 3501)]