68151345

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 112455552

約数和(自身を除く): 44304207

約数列:

[1, 3, 5, 15, 43, 129, 157, 215, 471, 645, 673, 785, 2019, 2355, 3365, 6751, 10095, 20253, 28939, 33755, 86817, 101265, 105661, 144695, 316983, 434085, 528305, 1584915, 4543423, 13630269, 22717115, 68151345]

約数ペア:

[(1, 68151345), (3, 22717115), (5, 13630269), (15, 4543423), (43, 1584915), (129, 528305), (157, 434085), (215, 316983), (471, 144695), (645, 105661), (673, 101265), (785, 86817), (2019, 33755), (2355, 28939), (3365, 20253), (6751, 10095)]