About the Number

72422721

72422720 ← → 72422722

2進数表記:100010100010001010101000001

漢数字表記:七千二百四十二万二千七百二十一

素因数分解:

3 3 × 7 1 × 137 1 × 2797 1

素因数の和:2950
約数の個数: 32
約数和(自身を含む): 123559680
約数和(自身を除く): 51136959

約数列:
[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2797, 2877, 3699, 8391, 8631, 19579, 25173, 25893, 58737, 75519, 176211, 383189, 528633, 1149567, 2682323, 3448701, 8046969, 10346103, 24140907, 72422721]

約数ペア:
[(1, 72422721), (3, 24140907), (7, 10346103), (9, 8046969), (21, 3448701), (27, 2682323), (63, 1149567), (137, 528633), (189, 383189), (411, 176211), (959, 75519), (1233, 58737), (2797, 25893), (2877, 25173), (3699, 19579), (8391, 8631)]

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