3947013

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 7028736

約数和(自身を除く): 3081723

約数列:

[1, 3, 7, 9, 21, 31, 43, 47, 63, 93, 129, 141, 217, 279, 301, 329, 387, 423, 651, 903, 987, 1333, 1457, 1953, 2021, 2709, 2961, 3999, 4371, 6063, 9331, 10199, 11997, 13113, 14147, 18189, 27993, 30597, 42441, 62651, 83979, 91791, 127323, 187953, 438557, 563859, 1315671, 3947013]

約数ペア:

[(1, 3947013), (3, 1315671), (7, 563859), (9, 438557), (21, 187953), (31, 127323), (43, 91791), (47, 83979), (63, 62651), (93, 42441), (129, 30597), (141, 27993), (217, 18189), (279, 14147), (301, 13113), (329, 11997), (387, 10199), (423, 9331), (651, 6063), (903, 4371), (987, 3999), (1333, 2961), (1457, 2709), (1953, 2021)]