8781339

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 14708736

約数和(自身を除く): 5927397

約数列:

[1, 3, 7, 21, 31, 41, 47, 49, 93, 123, 141, 147, 217, 287, 329, 651, 861, 987, 1271, 1457, 1519, 1927, 2009, 2303, 3813, 4371, 4557, 5781, 6027, 6909, 8897, 10199, 13489, 26691, 30597, 40467, 59737, 62279, 71393, 94423, 179211, 186837, 214179, 283269, 418159, 1254477, 2927113, 8781339]

約数ペア:

[(1, 8781339), (3, 2927113), (7, 1254477), (21, 418159), (31, 283269), (41, 214179), (47, 186837), (49, 179211), (93, 94423), (123, 71393), (141, 62279), (147, 59737), (217, 40467), (287, 30597), (329, 26691), (651, 13489), (861, 10199), (987, 8897), (1271, 6909), (1457, 6027), (1519, 5781), (1927, 4557), (2009, 4371), (2303, 3813)]