30706907

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 40857600

約数和(自身を除く): 10150693

約数列:

[1, 7, 11, 19, 77, 133, 139, 151, 209, 973, 1057, 1463, 1529, 1661, 2641, 2869, 10703, 11627, 18487, 20083, 20989, 29051, 31559, 146923, 203357, 220913, 230879, 398791, 1616153, 2791537, 4386701, 30706907]

約数ペア:

[(1, 30706907), (7, 4386701), (11, 2791537), (19, 1616153), (77, 398791), (133, 230879), (139, 220913), (151, 203357), (209, 146923), (973, 31559), (1057, 29051), (1463, 20989), (1529, 20083), (1661, 18487), (2641, 11627), (2869, 10703)]