9990918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{26431}}^1$

素因数の和:26449

約数の個数: 32

約数和(自身を含む): 25374720

約数和(自身を除く): 15383802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 26431, 52862, 79293, 158586, 185017, 237879, 370034, 475758, 555051, 713637, 1110102, 1427274, 1665153, 3330306, 4995459, 9990918]

約数ペア:

[(1, 9990918), (2, 4995459), (3, 3330306), (6, 1665153), (7, 1427274), (9, 1110102), (14, 713637), (18, 555051), (21, 475758), (27, 370034), (42, 237879), (54, 185017), (63, 158586), (126, 79293), (189, 52862), (378, 26431)]