299691

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 509184

約数和(自身を除く): 209493

約数列:

[1, 3, 7, 9, 21, 63, 67, 71, 201, 213, 469, 497, 603, 639, 1407, 1491, 4221, 4473, 4757, 14271, 33299, 42813, 99897, 299691]

約数ペア:

[(1, 299691), (3, 99897), (7, 42813), (9, 33299), (21, 14271), (63, 4757), (67, 4473), (71, 4221), (201, 1491), (213, 1407), (469, 639), (497, 603)]