About the Number

200972889

200972888 ← → 200972890

2進数表記:1011111110101001101001011001

漢数字表記:二億九十七万二千八百八十九

素因数分解:

3 2 × 13 1 × 173 1 × 9929 1

素因数の和:10121
約数の個数: 24
約数和(自身を含む): 314463240
約数和(自身を除く): 113490351

約数列:
[1, 3, 9, 13, 39, 117, 173, 519, 1557, 2249, 6747, 9929, 20241, 29787, 89361, 129077, 387231, 1161693, 1717717, 5153151, 15459453, 22330321, 66990963, 200972889]

約数ペア:
[(1, 200972889), (3, 66990963), (9, 22330321), (13, 15459453), (39, 5153151), (117, 1717717), (173, 1161693), (519, 387231), (1557, 129077), (2249, 89361), (6747, 29787), (9929, 20241)]

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