42872207

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 52668000

約数和(自身を除く): 9795793

約数列:

[1, 7, 23, 49, 109, 161, 349, 763, 1127, 2443, 2507, 5341, 8027, 17101, 17549, 38041, 56189, 122843, 266287, 393323, 874943, 1864009, 6124601, 42872207]

約数ペア:

[(1, 42872207), (7, 6124601), (23, 1864009), (49, 874943), (109, 393323), (161, 266287), (349, 122843), (763, 56189), (1127, 38041), (2443, 17549), (2507, 17101), (5341, 8027)]