74778081

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 117227520

約数和(自身を除く): 42449439

約数列:

[1, 3, 7, 21, 47, 141, 239, 317, 329, 717, 951, 987, 1673, 2219, 5019, 6657, 11233, 14899, 33699, 44697, 75763, 78631, 104293, 227289, 235893, 312879, 530341, 1591023, 3560861, 10682583, 24926027, 74778081]

約数ペア:

[(1, 74778081), (3, 24926027), (7, 10682583), (21, 3560861), (47, 1591023), (141, 530341), (239, 312879), (317, 235893), (329, 227289), (717, 104293), (951, 78631), (987, 75763), (1673, 44697), (2219, 33699), (5019, 14899), (6657, 11233)]