About the Number

139780407

139780406 ← → 139780408

2進数表記:1000010101001110000100110111

漢数字表記:一億三千九百七十八万四百七

素因数分解:

3 1 × 13 2 × 23 1 × 11987 1

素因数の和:12039
約数の個数: 24
約数和(自身を含む): 210605184
約数和(自身を除く): 70824777

約数列:
[1, 3, 13, 23, 39, 69, 169, 299, 507, 897, 3887, 11661, 11987, 35961, 155831, 275701, 467493, 827103, 2025803, 3584113, 6077409, 10752339, 46593469, 139780407]

約数ペア:
[(1, 139780407), (3, 46593469), (13, 10752339), (23, 6077409), (39, 3584113), (69, 2025803), (169, 827103), (299, 467493), (507, 275701), (897, 155831), (3887, 35961), (11661, 11987)]

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