201952863

素因数分解:

$3^2\times 7^2\times {\mathrm{457943}}^1$

素因数の和:457963

約数の個数: 18

約数和(自身を含む): 339336504

約数和(自身を除く): 137383641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457943, 1373829, 3205601, 4121487, 9616803, 22439207, 28850409, 67317621, 201952863]

約数ペア:

[(1, 201952863), (3, 67317621), (7, 28850409), (9, 22439207), (21, 9616803), (49, 4121487), (63, 3205601), (147, 1373829), (441, 457943)]