212067405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1667}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 402801984

約数和(自身を除く): 190734579

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 257, 495, 771, 1285, 1667, 2313, 2827, 3855, 5001, 8335, 8481, 11565, 14135, 15003, 18337, 25005, 25443, 42405, 55011, 75015, 91685, 127215, 165033, 275055, 428419, 825165, 1285257, 2142095, 3855771, 4712609, 6426285, 14137827, 19278855, 23563045, 42413481, 70689135, 212067405]

約数ペア:

[(1, 212067405), (3, 70689135), (5, 42413481), (9, 23563045), (11, 19278855), (15, 14137827), (33, 6426285), (45, 4712609), (55, 3855771), (99, 2142095), (165, 1285257), (257, 825165), (495, 428419), (771, 275055), (1285, 165033), (1667, 127215), (2313, 91685), (2827, 75015), (3855, 55011), (5001, 42405), (8335, 25443), (8481, 25005), (11565, 18337), (14135, 15003)]