1207273005

素因数分解:

$3^4\times 5^1\times {\mathrm{2980921}}^1$

素因数の和:2980938

約数の個数: 20

約数和(自身を含む): 2164149372

約数和(自身を除く): 956876367

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2980921, 8942763, 14904605, 26828289, 44713815, 80484867, 134141445, 241454601, 402424335, 1207273005]

約数ペア:

[(1, 1207273005), (3, 402424335), (5, 241454601), (9, 134141445), (15, 80484867), (27, 44713815), (45, 26828289), (81, 14904605), (135, 8942763), (405, 2980921)]