42427209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 65525760

約数和(自身を除く): 23098551

約数列:

[1, 3, 11, 19, 33, 57, 157, 209, 431, 471, 627, 1293, 1727, 2983, 4741, 5181, 8189, 8949, 14223, 24567, 32813, 67667, 90079, 98439, 203001, 270237, 744337, 1285673, 2233011, 3857019, 14142403, 42427209]

約数ペア:

[(1, 42427209), (3, 14142403), (11, 3857019), (19, 2233011), (33, 1285673), (57, 744337), (157, 270237), (209, 203001), (431, 98439), (471, 90079), (627, 67667), (1293, 32813), (1727, 24567), (2983, 14223), (4741, 8949), (5181, 8189)]