20150403

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2435

約数の個数: 32

約数和(自身を含む): 34148352

約数和(自身を除く): 13997949

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2381, 2821, 7143, 8463, 16667, 30953, 50001, 73811, 92859, 216671, 221433, 516677, 650013, 959543, 1550031, 2878629, 6716801, 20150403]

約数ペア:

[(1, 20150403), (3, 6716801), (7, 2878629), (13, 1550031), (21, 959543), (31, 650013), (39, 516677), (91, 221433), (93, 216671), (217, 92859), (273, 73811), (403, 50001), (651, 30953), (1209, 16667), (2381, 8463), (2821, 7143)]