About the Number

29127897981

29127897980 ← → 29127897982

2進数表記:11011001000001010000111001101111101

漢数字表記:二百九十一億二千七百八十九万七千九百八十一

素因数分解:

3 2 × 7 1 × 13 1 × 23 2 × 67231 1

素因数の和:67303
約数の個数: 72
約数和(自身を含む): 54133054976
約数和(自身を除く): 25005156995

約数列:
[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 529, 819, 897, 1449, 1587, 2093, 2691, 3703, 4761, 6279, 6877, 11109, 18837, 20631, 33327, 48139, 61893, 67231, 144417, 201693, 433251, 470617, 605079, 874003, 1411851, 1546313, 2622009, 4235553, 4638939, 6118021, 7866027, 10824191, 13916817, 18354063, 20102069, 32472573, 35565199, 55062189, 60306207, 97417719, 106695597, 140714483, 180918621, 248956393, 320086791, 422143449, 462347587, 746869179, 1266430347, 1387042761, 2240607537, 3236433109, 4161128283, 9709299327, 29127897981]

約数ペア:
[(1, 29127897981), (3, 9709299327), (7, 4161128283), (9, 3236433109), (13, 2240607537), (21, 1387042761), (23, 1266430347), (39, 746869179), (63, 462347587), (69, 422143449), (91, 320086791), (117, 248956393), (161, 180918621), (207, 140714483), (273, 106695597), (299, 97417719), (483, 60306207), (529, 55062189), (819, 35565199), (897, 32472573), (1449, 20102069), (1587, 18354063), (2093, 13916817), (2691, 10824191), (3703, 7866027), (4761, 6118021), (6279, 4638939), (6877, 4235553), (11109, 2622009), (18837, 1546313), (20631, 1411851), (33327, 874003), (48139, 605079), (61893, 470617), (67231, 433251), (144417, 201693)]

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