1221162131

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{859}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 1486080000

約数和(自身を除く): 264917869

約数列:

[1, 7, 29, 47, 149, 203, 329, 859, 1043, 1363, 4321, 6013, 7003, 9541, 24911, 30247, 40373, 49021, 127991, 174377, 203087, 282611, 895937, 1170817, 1421609, 3711739, 6015577, 8195719, 25982173, 42109039, 174451733, 1221162131]

約数ペア:

[(1, 1221162131), (7, 174451733), (29, 42109039), (47, 25982173), (149, 8195719), (203, 6015577), (329, 3711739), (859, 1421609), (1043, 1170817), (1363, 895937), (4321, 282611), (6013, 203087), (7003, 174377), (9541, 127991), (24911, 49021), (30247, 40373)]