289766421

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97861}}^1$

素因数の和:97921

約数の個数: 24

約数和(自身を含む): 488527104

約数和(自身を除く): 198760683

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 97861, 293583, 685027, 880749, 2055081, 4599467, 6165243, 13798401, 32196269, 41395203, 96588807, 289766421]

約数ペア:

[(1, 289766421), (3, 96588807), (7, 41395203), (9, 32196269), (21, 13798401), (47, 6165243), (63, 4599467), (141, 2055081), (329, 880749), (423, 685027), (987, 293583), (2961, 97861)]