7778055

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 13178880

約数和(自身を除く): 5400825

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 389, 465, 645, 1167, 1333, 1945, 3999, 5835, 6665, 12059, 16727, 19995, 36177, 50181, 60295, 83635, 180885, 250905, 518537, 1555611, 2592685, 7778055]

約数ペア:

[(1, 7778055), (3, 2592685), (5, 1555611), (15, 518537), (31, 250905), (43, 180885), (93, 83635), (129, 60295), (155, 50181), (215, 36177), (389, 19995), (465, 16727), (645, 12059), (1167, 6665), (1333, 5835), (1945, 3999)]