2778531

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 4612608

約数和(自身を除く): 1834077

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 181, 301, 357, 543, 731, 903, 1267, 2193, 3077, 3801, 5117, 7783, 9231, 15351, 21539, 23349, 54481, 64617, 132311, 163443, 396933, 926177, 2778531]

約数ペア:

[(1, 2778531), (3, 926177), (7, 396933), (17, 163443), (21, 132311), (43, 64617), (51, 54481), (119, 23349), (129, 21539), (181, 15351), (301, 9231), (357, 7783), (543, 5117), (731, 3801), (903, 3077), (1267, 2193)]