7826715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 15488928

約数和(自身を除く): 7662213

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 787, 1105, 1989, 2361, 3315, 3935, 7083, 9945, 10231, 11805, 13379, 30693, 35415, 40137, 51155, 66895, 92079, 120411, 153465, 173927, 200685, 460395, 521781, 602055, 869635, 1565343, 2608905, 7826715]

約数ペア:

[(1, 7826715), (3, 2608905), (5, 1565343), (9, 869635), (13, 602055), (15, 521781), (17, 460395), (39, 200685), (45, 173927), (51, 153465), (65, 120411), (85, 92079), (117, 66895), (153, 51155), (195, 40137), (221, 35415), (255, 30693), (585, 13379), (663, 11805), (765, 10231), (787, 9945), (1105, 7083), (1989, 3935), (2361, 3315)]