208380921

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{5107}}^1$

素因数の和:5213

約数の個数: 32

約数和(自身を含む): 333450240

約数和(自身を除く): 125069319

約数列:

[1, 3, 7, 21, 29, 67, 87, 201, 203, 469, 609, 1407, 1943, 5107, 5829, 13601, 15321, 35749, 40803, 107247, 148103, 342169, 444309, 1026507, 1036721, 2395183, 3110163, 7185549, 9922901, 29768703, 69460307, 208380921]

約数ペア:

[(1, 208380921), (3, 69460307), (7, 29768703), (21, 9922901), (29, 7185549), (67, 3110163), (87, 2395183), (201, 1036721), (203, 1026507), (469, 444309), (609, 342169), (1407, 148103), (1943, 107247), (5107, 40803), (5829, 35749), (13601, 15321)]