977207985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^2$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 1858179960

約数和(自身を除く): 880971975

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 89, 117, 137, 195, 267, 411, 445, 585, 685, 801, 1157, 1233, 1335, 1781, 2055, 3471, 4005, 5343, 5785, 6165, 8905, 10413, 12193, 16029, 17355, 18769, 26715, 36579, 52065, 56307, 60965, 80145, 93845, 109737, 158509, 168921, 182895, 243997, 281535, 475527, 548685, 731991, 792545, 844605, 1219985, 1426581, 1670441, 2195973, 2377635, 3659955, 5011323, 7132905, 8352205, 10979865, 15033969, 21715733, 25056615, 65147199, 75169845, 108578665, 195441597, 325735995, 977207985]

約数ペア:

[(1, 977207985), (3, 325735995), (5, 195441597), (9, 108578665), (13, 75169845), (15, 65147199), (39, 25056615), (45, 21715733), (65, 15033969), (89, 10979865), (117, 8352205), (137, 7132905), (195, 5011323), (267, 3659955), (411, 2377635), (445, 2195973), (585, 1670441), (685, 1426581), (801, 1219985), (1157, 844605), (1233, 792545), (1335, 731991), (1781, 548685), (2055, 475527), (3471, 281535), (4005, 243997), (5343, 182895), (5785, 168921), (6165, 158509), (8905, 109737), (10413, 93845), (12193, 80145), (16029, 60965), (17355, 56307), (18769, 52065), (26715, 36579)]