71821404

素因数分解:

$2^2\times 3^4\times {\mathrm{221671}}^1$

素因数の和:221687

約数の個数: 30

約数和(自身を含む): 187756184

約数和(自身を除く): 115934780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 221671, 443342, 665013, 886684, 1330026, 1995039, 2660052, 3990078, 5985117, 7980156, 11970234, 17955351, 23940468, 35910702, 71821404]

約数ペア:

[(1, 71821404), (2, 35910702), (3, 23940468), (4, 17955351), (6, 11970234), (9, 7980156), (12, 5985117), (18, 3990078), (27, 2660052), (36, 1995039), (54, 1330026), (81, 886684), (108, 665013), (162, 443342), (324, 221671)]