989289

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 1677312

約数和(自身を除く): 688023

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 383, 861, 1149, 2583, 2681, 3447, 8043, 15703, 24129, 47109, 109921, 141327, 329763, 989289]

約数ペア:

[(1, 989289), (3, 329763), (7, 141327), (9, 109921), (21, 47109), (41, 24129), (63, 15703), (123, 8043), (287, 3447), (369, 2681), (383, 2583), (861, 1149)]