221548743

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 378846720

約数和(自身を除く): 157297977

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 107, 117, 153, 221, 321, 347, 351, 459, 663, 963, 1041, 1391, 1819, 1989, 2889, 3123, 4173, 4511, 5457, 5899, 5967, 9369, 12519, 13533, 16371, 17697, 23647, 37129, 37557, 40599, 49113, 53091, 70941, 76687, 111387, 121797, 159273, 212823, 230061, 334161, 482677, 631193, 638469, 690183, 1002483, 1448031, 1893579, 2070549, 4344093, 5680737, 8205509, 13032279, 17042211, 24616527, 73849581, 221548743]

約数ペア:

[(1, 221548743), (3, 73849581), (9, 24616527), (13, 17042211), (17, 13032279), (27, 8205509), (39, 5680737), (51, 4344093), (107, 2070549), (117, 1893579), (153, 1448031), (221, 1002483), (321, 690183), (347, 638469), (351, 631193), (459, 482677), (663, 334161), (963, 230061), (1041, 212823), (1391, 159273), (1819, 121797), (1989, 111387), (2889, 76687), (3123, 70941), (4173, 53091), (4511, 49113), (5457, 40599), (5899, 37557), (5967, 37129), (9369, 23647), (12519, 17697), (13533, 16371)]