137809315

素因数分解:

$5^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{1621}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 193043952

約数和(自身を除く): 55234637

約数列:

[1, 5, 7, 35, 49, 245, 347, 1621, 1735, 2429, 8105, 11347, 12145, 17003, 56735, 79429, 85015, 397145, 562487, 2812435, 3937409, 19687045, 27561863, 137809315]

約数ペア:

[(1, 137809315), (5, 27561863), (7, 19687045), (35, 3937409), (49, 2812435), (245, 562487), (347, 397145), (1621, 85015), (1735, 79429), (2429, 56735), (8105, 17003), (11347, 12145)]