18497025

素因数分解:

$3^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 34571200

約数和(自身を除く): 16074175

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 135, 201, 225, 335, 409, 603, 675, 1005, 1227, 1675, 1809, 2045, 3015, 3681, 5025, 6135, 9045, 10225, 11043, 15075, 18405, 27403, 30675, 45225, 55215, 82209, 92025, 137015, 246627, 276075, 411045, 685075, 739881, 1233135, 2055225, 3699405, 6165675, 18497025]

約数ペア:

[(1, 18497025), (3, 6165675), (5, 3699405), (9, 2055225), (15, 1233135), (25, 739881), (27, 685075), (45, 411045), (67, 276075), (75, 246627), (135, 137015), (201, 92025), (225, 82209), (335, 55215), (409, 45225), (603, 30675), (675, 27403), (1005, 18405), (1227, 15075), (1675, 11043), (1809, 10225), (2045, 9045), (3015, 6135), (3681, 5025)]