307998

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 24

約数和(自身を含む): 679536

約数和(自身を除く): 371538

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 241, 426, 482, 639, 723, 1278, 1446, 2169, 4338, 17111, 34222, 51333, 102666, 153999, 307998]

約数ペア:

[(1, 307998), (2, 153999), (3, 102666), (6, 51333), (9, 34222), (18, 17111), (71, 4338), (142, 2169), (213, 1446), (241, 1278), (426, 723), (482, 639)]