31308067

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 9403613

約数列:

[1, 7, 17, 19, 61, 119, 133, 227, 323, 427, 1037, 1159, 1589, 2261, 3859, 4313, 7259, 8113, 13847, 19703, 27013, 30191, 73321, 96929, 137921, 235399, 263093, 513247, 1647793, 1841651, 4472581, 31308067]

約数ペア:

[(1, 31308067), (7, 4472581), (17, 1841651), (19, 1647793), (61, 513247), (119, 263093), (133, 235399), (227, 137921), (323, 96929), (427, 73321), (1037, 30191), (1159, 27013), (1589, 19703), (2261, 13847), (3859, 8113), (4313, 7259)]