81172305

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{62201}}^1$

素因数の和:62241

約数の個数: 24

約数和(自身を含む): 145552680

約数和(自身を除く): 64380375

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 62201, 186603, 311005, 559809, 933015, 1803829, 2799045, 5411487, 9019145, 16234461, 27057435, 81172305]

約数ペア:

[(1, 81172305), (3, 27057435), (5, 16234461), (9, 9019145), (15, 5411487), (29, 2799045), (45, 1803829), (87, 933015), (145, 559809), (261, 311005), (435, 186603), (1305, 62201)]