221575563

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 359704800

約数和(自身を除く): 138129237

約数列:

[1, 3, 9, 11, 33, 53, 99, 121, 159, 349, 363, 477, 583, 1047, 1089, 1331, 1749, 3141, 3839, 3993, 5247, 6413, 11517, 11979, 18497, 19239, 34551, 42229, 55491, 57717, 70543, 126687, 166473, 203467, 211629, 380061, 464519, 610401, 634887, 1393557, 1831203, 2238137, 4180671, 6714411, 20143233, 24619507, 73858521, 221575563]

約数ペア:

[(1, 221575563), (3, 73858521), (9, 24619507), (11, 20143233), (33, 6714411), (53, 4180671), (99, 2238137), (121, 1831203), (159, 1393557), (349, 634887), (363, 610401), (477, 464519), (583, 380061), (1047, 211629), (1089, 203467), (1331, 166473), (1749, 126687), (3141, 70543), (3839, 57717), (3993, 55491), (5247, 42229), (6413, 34551), (11517, 19239), (11979, 18497)]