About the Number

72742779

72742778 ← → 72742780

2進数表記:100010101011111011101111011

漢数字表記:七千二百七十四万二千七百七十九

素因数分解:

3 5 × 17 1 × 17609 1

素因数の和:17641
約数の個数: 24
約数和(自身を含む): 115380720
約数和(自身を除く): 42637941

約数列:
[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 17609, 52827, 158481, 299353, 475443, 898059, 1426329, 2694177, 4278987, 8082531, 24247593, 72742779]

約数ペア:
[(1, 72742779), (3, 24247593), (9, 8082531), (17, 4278987), (27, 2694177), (51, 1426329), (81, 898059), (153, 475443), (243, 299353), (459, 158481), (1377, 52827), (4131, 17609)]

このpageの処理時間: 0.0074427127838134766 seconds