1212729

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 2027520

約数和(自身を除く): 814791

約数列:

[1, 3, 7, 17, 21, 43, 51, 79, 119, 129, 237, 301, 357, 553, 731, 903, 1343, 1659, 2193, 3397, 4029, 5117, 9401, 10191, 15351, 23779, 28203, 57749, 71337, 173247, 404243, 1212729]

約数ペア:

[(1, 1212729), (3, 404243), (7, 173247), (17, 71337), (21, 57749), (43, 28203), (51, 23779), (79, 15351), (119, 10191), (129, 9401), (237, 5117), (301, 4029), (357, 3397), (553, 2193), (731, 1659), (903, 1343)]