81990450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{182201}}^1$

素因数の和:182219

約数の個数: 36

約数和(自身を含む): 220282218

約数和(自身を除く): 138291768

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 182201, 364402, 546603, 911005, 1093206, 1639809, 1822010, 2733015, 3279618, 4555025, 5466030, 8199045, 9110050, 13665075, 16398090, 27330150, 40995225, 81990450]

約数ペア:

[(1, 81990450), (2, 40995225), (3, 27330150), (5, 16398090), (6, 13665075), (9, 9110050), (10, 8199045), (15, 5466030), (18, 4555025), (25, 3279618), (30, 2733015), (45, 1822010), (50, 1639809), (75, 1093206), (90, 911005), (150, 546603), (225, 364402), (450, 182201)]