18109833

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 10782327

約数列:

[1, 3, 7, 21, 29, 87, 131, 203, 227, 393, 609, 681, 917, 1589, 2751, 3799, 4767, 6583, 11397, 19749, 26593, 29737, 46081, 79779, 89211, 138243, 208159, 624477, 862373, 2587119, 6036611, 18109833]

約数ペア:

[(1, 18109833), (3, 6036611), (7, 2587119), (21, 862373), (29, 624477), (87, 208159), (131, 138243), (203, 89211), (227, 79779), (393, 46081), (609, 29737), (681, 26593), (917, 19749), (1589, 11397), (2751, 6583), (3799, 4767)]