201780761

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{281}}^1\times {\mathrm{607}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 251011584

約数和(自身を除く): 49230823

約数列:

[1, 7, 13, 91, 169, 281, 607, 1183, 1967, 3653, 4249, 7891, 25571, 47489, 55237, 102583, 170567, 332423, 718081, 1193969, 2217371, 15521597, 28825823, 201780761]

約数ペア:

[(1, 201780761), (7, 28825823), (13, 15521597), (91, 2217371), (169, 1193969), (281, 718081), (607, 332423), (1183, 170567), (1967, 102583), (3653, 55237), (4249, 47489), (7891, 25571)]