42640437

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 71114112

約数和(自身を除く): 28473675

約数列:

[1, 3, 7, 17, 21, 49, 51, 113, 119, 147, 151, 339, 357, 453, 791, 833, 1057, 1921, 2373, 2499, 2567, 3171, 5537, 5763, 7399, 7701, 13447, 16611, 17063, 17969, 22197, 40341, 51189, 53907, 94129, 119441, 125783, 282387, 290071, 358323, 377349, 836087, 870213, 2030497, 2508261, 6091491, 14213479, 42640437]

約数ペア:

[(1, 42640437), (3, 14213479), (7, 6091491), (17, 2508261), (21, 2030497), (49, 870213), (51, 836087), (113, 377349), (119, 358323), (147, 290071), (151, 282387), (339, 125783), (357, 119441), (453, 94129), (791, 53907), (833, 51189), (1057, 40341), (1921, 22197), (2373, 17969), (2499, 17063), (2567, 16611), (3171, 13447), (5537, 7701), (5763, 7399)]