620823

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 32

約数和(自身を含む): 1050624

約数和(自身を除く): 429801

約数列:

[1, 3, 7, 17, 21, 37, 47, 51, 111, 119, 141, 259, 329, 357, 629, 777, 799, 987, 1739, 1887, 2397, 4403, 5217, 5593, 12173, 13209, 16779, 29563, 36519, 88689, 206941, 620823]

約数ペア:

[(1, 620823), (3, 206941), (7, 88689), (17, 36519), (21, 29563), (37, 16779), (47, 13209), (51, 12173), (111, 5593), (119, 5217), (141, 4403), (259, 2397), (329, 1887), (357, 1739), (629, 987), (777, 799)]