215493426

素因数分解:

$2^1\times 3^3\times {\mathrm{3990619}}^1$

素因数の和:3990630

約数の個数: 16

約数和(自身を含む): 478874400

約数和(自身を除く): 263380974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 3990619, 7981238, 11971857, 23943714, 35915571, 71831142, 107746713, 215493426]

約数ペア:

[(1, 215493426), (2, 107746713), (3, 71831142), (6, 35915571), (9, 23943714), (18, 11971857), (27, 7981238), (54, 3990619)]