338890497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 501396480

約数和(自身を除く): 162505983

約数列:

[1, 3, 11, 33, 103, 179, 309, 537, 557, 1133, 1671, 1969, 3399, 5907, 6127, 18381, 18437, 55311, 57371, 99703, 172113, 202807, 299109, 608421, 631081, 1096733, 1893243, 3290199, 10269409, 30808227, 112963499, 338890497]

約数ペア:

[(1, 338890497), (3, 112963499), (11, 30808227), (33, 10269409), (103, 3290199), (179, 1893243), (309, 1096733), (537, 631081), (557, 608421), (1133, 299109), (1671, 202807), (1969, 172113), (3399, 99703), (5907, 57371), (6127, 55311), (18381, 18437)]