201975921

素因数分解:

$3^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{5861}}^1$

素因数の和:6421

約数の個数: 24

約数和(自身を含む): 334087104

約数和(自身を除く): 132111183

約数列:

[1, 3, 7, 9, 21, 63, 547, 1641, 3829, 4923, 5861, 11487, 17583, 34461, 41027, 52749, 123081, 369243, 3205967, 9617901, 22441769, 28853703, 67325307, 201975921]

約数ペア:

[(1, 201975921), (3, 67325307), (7, 28853703), (9, 22441769), (21, 9617901), (63, 3205967), (547, 369243), (1641, 123081), (3829, 52749), (4923, 41027), (5861, 34461), (11487, 17583)]