About the Number

127987251

127987250 ← → 127987252

2進数表記:111101000001110111000110011

漢数字表記:一億二千七百九十八万七千二百五十一

素因数分解:

3 1 × 7 1 × 31 1 × 47 2 × 89 1

素因数の和:224
約数の個数: 48
約数和(自身を含む): 208005120
約数和(自身を除く): 80017869

約数列:
[1, 3, 7, 21, 31, 47, 89, 93, 141, 217, 267, 329, 623, 651, 987, 1457, 1869, 2209, 2759, 4183, 4371, 6627, 8277, 10199, 12549, 15463, 19313, 29281, 30597, 46389, 57939, 68479, 87843, 129673, 196601, 205437, 389019, 479353, 589803, 907711, 1376207, 1438059, 2723133, 4128621, 6094631, 18283893, 42662417, 127987251]

約数ペア:
[(1, 127987251), (3, 42662417), (7, 18283893), (21, 6094631), (31, 4128621), (47, 2723133), (89, 1438059), (93, 1376207), (141, 907711), (217, 589803), (267, 479353), (329, 389019), (623, 205437), (651, 196601), (987, 129673), (1457, 87843), (1869, 68479), (2209, 57939), (2759, 46389), (4183, 30597), (4371, 29281), (6627, 19313), (8277, 15463), (10199, 12549)]

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