12681837

素因数分解:

$3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:362

約数の個数: 36

約数和(自身を含む): 21563100

約数和(自身を除く): 8881263

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 149, 193, 441, 447, 579, 1043, 1341, 1351, 1737, 3129, 4053, 7301, 9387, 9457, 12159, 21903, 28371, 28757, 65709, 85113, 86271, 201299, 258813, 603897, 1409093, 1811691, 4227279, 12681837]

約数ペア:

[(1, 12681837), (3, 4227279), (7, 1811691), (9, 1409093), (21, 603897), (49, 258813), (63, 201299), (147, 86271), (149, 85113), (193, 65709), (441, 28757), (447, 28371), (579, 21903), (1043, 12159), (1341, 9457), (1351, 9387), (1737, 7301), (3129, 4053)]