1221946362

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{745999}}^1$

素因数の和:746027

約数の個数: 48

約数和(自身を含む): 3258528000

約数和(自身を除く): 2036581638

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 745999, 1491998, 2237997, 4475994, 5221993, 6713991, 9697987, 10443986, 13427982, 15665979, 19395974, 29093961, 31331958, 46997937, 58187922, 67885909, 87281883, 93995874, 135771818, 174563766, 203657727, 407315454, 610973181, 1221946362]

約数ペア:

[(1, 1221946362), (2, 610973181), (3, 407315454), (6, 203657727), (7, 174563766), (9, 135771818), (13, 93995874), (14, 87281883), (18, 67885909), (21, 58187922), (26, 46997937), (39, 31331958), (42, 29093961), (63, 19395974), (78, 15665979), (91, 13427982), (117, 10443986), (126, 9697987), (182, 6713991), (234, 5221993), (273, 4475994), (546, 2237997), (819, 1491998), (1638, 745999)]