868917

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 1411776

約数和(自身を除く): 542859

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 257, 483, 771, 1127, 1799, 3381, 5397, 5911, 12593, 17733, 37779, 41377, 124131, 289639, 868917]

約数ペア:

[(1, 868917), (3, 289639), (7, 124131), (21, 41377), (23, 37779), (49, 17733), (69, 12593), (147, 5911), (161, 5397), (257, 3381), (483, 1799), (771, 1127)]