61491941

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 78151680

約数和(自身を除く): 16659739

約数列:

[1, 7, 17, 31, 79, 119, 211, 217, 527, 553, 1343, 1477, 2449, 3587, 3689, 6541, 9401, 16669, 17143, 25109, 41633, 45787, 111197, 116683, 283373, 291431, 516739, 778379, 1983611, 3617173, 8784563, 61491941]

約数ペア:

[(1, 61491941), (7, 8784563), (17, 3617173), (31, 1983611), (79, 778379), (119, 516739), (211, 291431), (217, 283373), (527, 116683), (553, 111197), (1343, 45787), (1477, 41633), (2449, 25109), (3587, 17143), (3689, 16669), (6541, 9401)]