About the Number

27172431

27172430 ← → 27172432

2進数表記:1100111101001111001001111

漢数字表記:二千七百十七万二千四百三十一

素因数分解:

3 2 × 11 1 × 13 1 × 43 1 × 491 1

素因数の和:564
約数の個数: 48
約数和(自身を含む): 47279232
約数和(自身を除く): 20106801

約数列:
[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 387, 429, 473, 491, 559, 1287, 1419, 1473, 1677, 4257, 4419, 5031, 5401, 6149, 6383, 16203, 18447, 19149, 21113, 48609, 55341, 57447, 63339, 70213, 190017, 210639, 232243, 274469, 631917, 696729, 823407, 2090187, 2470221, 3019159, 9057477, 27172431]

約数ペア:
[(1, 27172431), (3, 9057477), (9, 3019159), (11, 2470221), (13, 2090187), (33, 823407), (39, 696729), (43, 631917), (99, 274469), (117, 232243), (129, 210639), (143, 190017), (387, 70213), (429, 63339), (473, 57447), (491, 55341), (559, 48609), (1287, 21113), (1419, 19149), (1473, 18447), (1677, 16203), (4257, 6383), (4419, 6149), (5031, 5401)]

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