638966055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{468107}}^1$

素因数の和:468135

約数の個数: 32

約数和(自身を含む): 1258274304

約数和(自身を除く): 619308249

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 468107, 1404321, 2340535, 3276749, 6085391, 7021605, 9830247, 16383745, 18256173, 30426955, 42597737, 49151235, 91280865, 127793211, 212988685, 638966055]

約数ペア:

[(1, 638966055), (3, 212988685), (5, 127793211), (7, 91280865), (13, 49151235), (15, 42597737), (21, 30426955), (35, 18256173), (39, 16383745), (65, 9830247), (91, 7021605), (105, 6085391), (195, 3276749), (273, 2340535), (455, 1404321), (1365, 468107)]