16201998081

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{390419}}^1$

素因数の和:390510

約数の個数: 32

約数和(自身を含む): 25299216000

約数和(自身を除く): 9097217919

約数列:

[1, 3, 9, 27, 29, 53, 87, 159, 261, 477, 783, 1431, 1537, 4611, 13833, 41499, 390419, 1171257, 3513771, 10541313, 11322151, 20692207, 33966453, 62076621, 101899359, 186229863, 305698077, 558689589, 600074003, 1800222009, 5400666027, 16201998081]

約数ペア:

[(1, 16201998081), (3, 5400666027), (9, 1800222009), (27, 600074003), (29, 558689589), (53, 305698077), (87, 186229863), (159, 101899359), (261, 62076621), (477, 33966453), (783, 20692207), (1431, 11322151), (1537, 10541313), (4611, 3513771), (13833, 1171257), (41499, 390419)]