18261855

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:757

約数の個数: 40

約数和(自身を含む): 33274032

約数和(自身を除く): 15012177

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 335, 405, 603, 673, 1005, 1809, 2019, 3015, 3365, 5427, 6057, 9045, 10095, 18171, 27135, 30285, 45091, 54513, 90855, 135273, 225455, 272565, 405819, 676365, 1217457, 2029095, 3652371, 6087285, 18261855]

約数ペア:

[(1, 18261855), (3, 6087285), (5, 3652371), (9, 2029095), (15, 1217457), (27, 676365), (45, 405819), (67, 272565), (81, 225455), (135, 135273), (201, 90855), (335, 54513), (405, 45091), (603, 30285), (673, 27135), (1005, 18171), (1809, 10095), (2019, 9045), (3015, 6057), (3365, 5427)]