211399395

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{673}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 347331072

約数和(自身を除く): 135931677

約数列:

[1, 3, 5, 15, 43, 129, 215, 487, 645, 673, 1461, 2019, 2435, 3365, 7305, 10095, 20941, 28939, 62823, 86817, 104705, 144695, 314115, 327751, 434085, 983253, 1638755, 4916265, 14093293, 42279879, 70466465, 211399395]

約数ペア:

[(1, 211399395), (3, 70466465), (5, 42279879), (15, 14093293), (43, 4916265), (129, 1638755), (215, 983253), (487, 434085), (645, 327751), (673, 314115), (1461, 144695), (2019, 104705), (2435, 86817), (3365, 62823), (7305, 28939), (10095, 20941)]