About the Number

28400841

28400840 ← → 28400842

2進数表記:1101100010101110011001001

漢数字表記:二千八百四十万八百四十一

素因数分解:

3 3 × 7 2 × 21467 1

素因数の和:21490
約数の個数: 24
約数和(自身を含む): 48947040
約数和(自身を除く): 20546199

約数列:
[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21467, 64401, 150269, 193203, 450807, 579609, 1051883, 1352421, 3155649, 4057263, 9466947, 28400841]

約数ペア:
[(1, 28400841), (3, 9466947), (7, 4057263), (9, 3155649), (21, 1352421), (27, 1051883), (49, 579609), (63, 450807), (147, 193203), (189, 150269), (441, 64401), (1323, 21467)]

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