81105318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{643693}}^1$

素因数の和:643708

約数の個数: 24

約数和(自身を含む): 200832528

約数和(自身を除く): 119727210

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 643693, 1287386, 1931079, 3862158, 4505851, 5793237, 9011702, 11586474, 13517553, 27035106, 40552659, 81105318]

約数ペア:

[(1, 81105318), (2, 40552659), (3, 27035106), (6, 13517553), (7, 11586474), (9, 9011702), (14, 5793237), (18, 4505851), (21, 3862158), (42, 1931079), (63, 1287386), (126, 643693)]