31500042

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 73735200

約数和(自身を除く): 42235158

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 307, 349, 614, 698, 921, 1047, 1842, 2094, 2149, 2443, 4298, 4886, 6447, 7329, 12894, 14658, 15043, 17101, 30086, 34202, 45129, 51303, 90258, 102606, 107143, 214286, 321429, 642858, 750001, 1500002, 2250003, 4500006, 5250007, 10500014, 15750021, 31500042]

約数ペア:

[(1, 31500042), (2, 15750021), (3, 10500014), (6, 5250007), (7, 4500006), (14, 2250003), (21, 1500002), (42, 750001), (49, 642858), (98, 321429), (147, 214286), (294, 107143), (307, 102606), (349, 90258), (614, 51303), (698, 45129), (921, 34202), (1047, 30086), (1842, 17101), (2094, 15043), (2149, 14658), (2443, 12894), (4298, 7329), (4886, 6447)]