42000147

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3643}}^1$

素因数の和:3720

約数の個数: 32

約数和(自身を含む): 72296960

約数和(自身を除く): 30296813

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3643, 3843, 10929, 11529, 25501, 32787, 76503, 98361, 222223, 229509, 666669, 688527, 1555561, 2000007, 4666683, 6000021, 14000049, 42000147]

約数ペア:

[(1, 42000147), (3, 14000049), (7, 6000021), (9, 4666683), (21, 2000007), (27, 1555561), (61, 688527), (63, 666669), (183, 229509), (189, 222223), (427, 98361), (549, 76503), (1281, 32787), (1647, 25501), (3643, 11529), (3843, 10929)]