81573905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2917}}^1$

素因数の和:2993

約数の個数: 32

約数和(自身を含む): 121015296

約数和(自身を除く): 39441391

約数列:

[1, 5, 7, 17, 35, 47, 85, 119, 235, 329, 595, 799, 1645, 2917, 3995, 5593, 14585, 20419, 27965, 49589, 102095, 137099, 247945, 347123, 685495, 959693, 1735615, 2330683, 4798465, 11653415, 16314781, 81573905]

約数ペア:

[(1, 81573905), (5, 16314781), (7, 11653415), (17, 4798465), (35, 2330683), (47, 1735615), (85, 959693), (119, 685495), (235, 347123), (329, 247945), (595, 137099), (799, 102095), (1645, 49589), (2917, 27965), (3995, 20419), (5593, 14585)]