318501939

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1\times {\mathrm{691}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 497442816

約数和(自身を除く): 178940877

約数列:

[1, 3, 7, 21, 47, 141, 329, 467, 691, 987, 1401, 2073, 3269, 4837, 9807, 14511, 21949, 32477, 65847, 97431, 153643, 227339, 322697, 460929, 682017, 968091, 2258879, 6776637, 15166759, 45500277, 106167313, 318501939]

約数ペア:

[(1, 318501939), (3, 106167313), (7, 45500277), (21, 15166759), (47, 6776637), (141, 2258879), (329, 968091), (467, 682017), (691, 460929), (987, 322697), (1401, 227339), (2073, 153643), (3269, 97431), (4837, 65847), (9807, 32477), (14511, 21949)]