66820965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 119439360

約数和(自身を除く): 52618395

約数列:

[1, 3, 5, 15, 17, 31, 51, 79, 85, 93, 107, 155, 237, 255, 321, 395, 465, 527, 535, 1185, 1343, 1581, 1605, 1819, 2449, 2635, 3317, 4029, 5457, 6715, 7347, 7905, 8453, 9095, 9951, 12245, 16585, 20145, 25359, 27285, 36735, 41633, 42265, 49755, 56389, 124899, 126795, 143701, 169167, 208165, 262043, 281945, 431103, 624495, 718505, 786129, 845835, 1310215, 2155515, 3930645, 4454731, 13364193, 22273655, 66820965]

約数ペア:

[(1, 66820965), (3, 22273655), (5, 13364193), (15, 4454731), (17, 3930645), (31, 2155515), (51, 1310215), (79, 845835), (85, 786129), (93, 718505), (107, 624495), (155, 431103), (237, 281945), (255, 262043), (321, 208165), (395, 169167), (465, 143701), (527, 126795), (535, 124899), (1185, 56389), (1343, 49755), (1581, 42265), (1605, 41633), (1819, 36735), (2449, 27285), (2635, 25359), (3317, 20145), (4029, 16585), (5457, 12245), (6715, 9951), (7347, 9095), (7905, 8453)]