199028571

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7057}}^1$

素因数の和:7163

約数の個数: 32

約数和(自身を含む): 325232640

約数和(自身を除く): 126204069

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 1343, 1659, 4029, 7057, 9401, 21171, 28203, 49399, 119969, 148197, 359907, 557503, 839783, 1672509, 2519349, 3902521, 9477551, 11707563, 28432653, 66342857, 199028571]

約数ペア:

[(1, 199028571), (3, 66342857), (7, 28432653), (17, 11707563), (21, 9477551), (51, 3902521), (79, 2519349), (119, 1672509), (237, 839783), (357, 557503), (553, 359907), (1343, 148197), (1659, 119969), (4029, 49399), (7057, 28203), (9401, 21171)]