About the Number
48909987
2進数表記:10111010100100111010100011
漢数字表記:四千八百九十万九千九百八十七
素因数分解:
素因数の和:12349
約数の個数: 30
約数和(自身を含む): 84998628
約数和(自身を除く): 36088641
約数列:
[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 12323, 36969, 86261, 110907, 258783, 332721, 603827, 776349, 998163, 1811481, 2329047, 5434443, 6987141, 16303329, 48909987]
約数ペア:
[(1, 48909987), (3, 16303329), (7, 6987141), (9, 5434443), (21, 2329047), (27, 1811481), (49, 998163), (63, 776349), (81, 603827), (147, 332721), (189, 258783), (441, 110907), (567, 86261), (1323, 36969), (3969, 12323)]このpageの処理時間: 0.00493311882019043 seconds