247437939

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{8087}}^1$

素因数の和:8175

約数の個数: 32

約数和(自身を含む): 397541376

約数和(自身を除く): 150103437

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 987, 1457, 4371, 8087, 10199, 24261, 30597, 56609, 169827, 250697, 380089, 752091, 1140267, 1754879, 2660623, 5264637, 7981869, 11782759, 35348277, 82479313, 247437939]

約数ペア:

[(1, 247437939), (3, 82479313), (7, 35348277), (21, 11782759), (31, 7981869), (47, 5264637), (93, 2660623), (141, 1754879), (217, 1140267), (329, 752091), (651, 380089), (987, 250697), (1457, 169827), (4371, 56609), (8087, 30597), (10199, 24261)]