209957327

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{7517}}^1$

素因数の和:7618

約数の個数: 16

約数和(自身を含む): 233839872

約数和(自身を除く): 23882545

約数列:

[1, 17, 31, 53, 527, 901, 1643, 7517, 27931, 127789, 233027, 398401, 3961459, 6772817, 12350431, 209957327]

約数ペア:

[(1, 209957327), (17, 12350431), (31, 6772817), (53, 3961459), (527, 398401), (901, 233027), (1643, 127789), (7517, 27931)]