3980571

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 6420480

約数和(自身を除く): 2439909

約数列:

[1, 3, 7, 21, 37, 47, 109, 111, 141, 259, 327, 329, 763, 777, 987, 1739, 2289, 4033, 5123, 5217, 12099, 12173, 15369, 28231, 35861, 36519, 84693, 107583, 189551, 568653, 1326857, 3980571]

約数ペア:

[(1, 3980571), (3, 1326857), (7, 568653), (21, 189551), (37, 107583), (47, 84693), (109, 36519), (111, 35861), (141, 28231), (259, 15369), (327, 12173), (329, 12099), (763, 5217), (777, 5123), (987, 4033), (1739, 2289)]