42874545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21491}}^1$

素因数の和:21525

約数の個数: 32

約数和(自身を含む): 82529280

約数和(自身を除く): 39654735

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 21491, 64473, 107455, 150437, 322365, 408329, 451311, 752185, 1224987, 2041645, 2256555, 2858303, 6124935, 8574909, 14291515, 42874545]

約数ペア:

[(1, 42874545), (3, 14291515), (5, 8574909), (7, 6124935), (15, 2858303), (19, 2256555), (21, 2041645), (35, 1224987), (57, 752185), (95, 451311), (105, 408329), (133, 322365), (285, 150437), (399, 107455), (665, 64473), (1995, 21491)]