1620267

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 2422272

約数和(自身を除く): 802005

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 1327, 3981, 14597, 43791, 49099, 147297, 540089, 1620267]

約数ペア:

[(1, 1620267), (3, 540089), (11, 147297), (33, 49099), (37, 43791), (111, 14597), (407, 3981), (1221, 1327)]