203721453

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 339655680

約数和(自身を除く): 135934227

約数列:

[1, 3, 9, 13, 27, 39, 47, 53, 117, 141, 159, 233, 351, 423, 477, 611, 689, 699, 1269, 1431, 1833, 2067, 2097, 2491, 3029, 5499, 6201, 6291, 7473, 9087, 10951, 12349, 16497, 18603, 22419, 27261, 32383, 32853, 37047, 67257, 81783, 97149, 98559, 111141, 142363, 160537, 291447, 295677, 333423, 427089, 481611, 580403, 874341, 1281267, 1444833, 1741209, 3843801, 4334499, 5223627, 7545239, 15670881, 22635717, 67907151, 203721453]

約数ペア:

[(1, 203721453), (3, 67907151), (9, 22635717), (13, 15670881), (27, 7545239), (39, 5223627), (47, 4334499), (53, 3843801), (117, 1741209), (141, 1444833), (159, 1281267), (233, 874341), (351, 580403), (423, 481611), (477, 427089), (611, 333423), (689, 295677), (699, 291447), (1269, 160537), (1431, 142363), (1833, 111141), (2067, 98559), (2097, 97149), (2491, 81783), (3029, 67257), (5499, 37047), (6201, 32853), (6291, 32383), (7473, 27261), (9087, 22419), (10951, 18603), (12349, 16497)]