42638505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31237}}^1$

素因数の和:31265

約数の個数: 32

約数和(自身を含む): 83967744

約数和(自身を除く): 41329239

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 31237, 93711, 156185, 218659, 406081, 468555, 655977, 1093295, 1218243, 2030405, 2842567, 3279885, 6091215, 8527701, 14212835, 42638505]

約数ペア:

[(1, 42638505), (3, 14212835), (5, 8527701), (7, 6091215), (13, 3279885), (15, 2842567), (21, 2030405), (35, 1218243), (39, 1093295), (65, 655977), (91, 468555), (105, 406081), (195, 218659), (273, 156185), (455, 93711), (1365, 31237)]