17995407

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 8546673

約数列:

[1, 3, 23, 31, 47, 69, 93, 141, 179, 537, 713, 1081, 1457, 2139, 3243, 4117, 4371, 5549, 8413, 12351, 16647, 25239, 33511, 100533, 127627, 193499, 260803, 382881, 580497, 782409, 5998469, 17995407]

約数ペア:

[(1, 17995407), (3, 5998469), (23, 782409), (31, 580497), (47, 382881), (69, 260803), (93, 193499), (141, 127627), (179, 100533), (537, 33511), (713, 25239), (1081, 16647), (1457, 12351), (2139, 8413), (3243, 5549), (4117, 4371)]