16727715

素因数分解:

$3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 30352608

約数和(自身を除く): 13624893

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 309, 401, 405, 515, 927, 1203, 1545, 2005, 2781, 3609, 4635, 6015, 8343, 10827, 13905, 18045, 32481, 41303, 41715, 54135, 123909, 162405, 206515, 371727, 619545, 1115181, 1858635, 3345543, 5575905, 16727715]

約数ペア:

[(1, 16727715), (3, 5575905), (5, 3345543), (9, 1858635), (15, 1115181), (27, 619545), (45, 371727), (81, 206515), (103, 162405), (135, 123909), (309, 54135), (401, 41715), (405, 41303), (515, 32481), (927, 18045), (1203, 13905), (1545, 10827), (2005, 8343), (2781, 6015), (3609, 4635)]