About the Number

121029120009

121029120008 ← → 121029120010

2進数表記:1110000101101111001011101000000001001

漢数字表記:千二百十億二千九百十二万九

素因数分解:

3 2 × 7 2 × 274442449 1

素因数の和:274442469
約数の個数: 18
約数和(自身を含む): 203361855450
約数和(自身を除く): 82332735441

約数列:
[1, 3, 7, 9, 21, 49, 63, 147, 441, 274442449, 823327347, 1921097143, 2469982041, 5763291429, 13447680001, 17289874287, 40343040003, 121029120009]

約数ペア:
[(1, 121029120009), (3, 40343040003), (7, 17289874287), (9, 13447680001), (21, 5763291429), (49, 2469982041), (63, 1921097143), (147, 823327347), (441, 274442449)]

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