561127905

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{541}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 1090759824

約数和(自身を除く): 529631919

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 197, 351, 405, 541, 585, 591, 985, 1053, 1623, 1755, 1773, 2561, 2705, 2955, 4869, 5265, 5319, 7033, 7683, 8115, 8865, 12805, 14607, 15957, 21099, 23049, 24345, 26595, 35165, 38415, 43821, 63297, 69147, 73035, 79785, 105495, 106577, 115245, 189891, 207441, 219105, 316485, 319731, 345735, 532885, 569673, 949455, 959193, 1037205, 1385501, 1598655, 2848365, 2877579, 4156503, 4795965, 6927505, 8632737, 12469509, 14387895, 20782515, 37408527, 43163685, 62347545, 112225581, 187042635, 561127905]

約数ペア:

[(1, 561127905), (3, 187042635), (5, 112225581), (9, 62347545), (13, 43163685), (15, 37408527), (27, 20782515), (39, 14387895), (45, 12469509), (65, 8632737), (81, 6927505), (117, 4795965), (135, 4156503), (195, 2877579), (197, 2848365), (351, 1598655), (405, 1385501), (541, 1037205), (585, 959193), (591, 949455), (985, 569673), (1053, 532885), (1623, 345735), (1755, 319731), (1773, 316485), (2561, 219105), (2705, 207441), (2955, 189891), (4869, 115245), (5265, 106577), (5319, 105495), (7033, 79785), (7683, 73035), (8115, 69147), (8865, 63297), (12805, 43821), (14607, 38415), (15957, 35165), (21099, 26595), (23049, 24345)]