87312687

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{691}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 145618944

約数和(自身を除く): 58306257

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 547, 691, 1641, 2073, 3829, 4837, 6017, 7601, 11487, 14511, 18051, 22803, 42119, 53207, 126357, 159621, 377977, 1133931, 2645839, 4157747, 7937517, 12473241, 29104229, 87312687]

約数ペア:

[(1, 87312687), (3, 29104229), (7, 12473241), (11, 7937517), (21, 4157747), (33, 2645839), (77, 1133931), (231, 377977), (547, 159621), (691, 126357), (1641, 53207), (2073, 42119), (3829, 22803), (4837, 18051), (6017, 14511), (7601, 11487)]