213996951

素因数分解:

$3^3\times 7^1\times {\mathrm{1132259}}^1$

素因数の和:1132275

約数の個数: 16

約数和(自身を含む): 362323200

約数和(自身を除く): 148326249

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1132259, 3396777, 7925813, 10190331, 23777439, 30570993, 71332317, 213996951]

約数ペア:

[(1, 213996951), (3, 71332317), (7, 30570993), (9, 23777439), (21, 10190331), (27, 7925813), (63, 3396777), (189, 1132259)]