31197315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2979

約数の個数: 32

約数和(自身を含む): 53784576

約数和(自身を除く): 22587261

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 2917, 3565, 8751, 10695, 14585, 43755, 67091, 90427, 201273, 271281, 335455, 452135, 1006365, 1356405, 2079821, 6239463, 10399105, 31197315]

約数ペア:

[(1, 31197315), (3, 10399105), (5, 6239463), (15, 2079821), (23, 1356405), (31, 1006365), (69, 452135), (93, 335455), (115, 271281), (155, 201273), (345, 90427), (465, 67091), (713, 43755), (2139, 14585), (2917, 10695), (3565, 8751)]