About the Number

1998032157

1998032156 ← → 1998032158

2進数表記:1110111000101111000110100011101

漢数字表記:十九億九千八百三万二千百五十七

素因数分解:

3 3 × 11 1 × 607 1 × 11083 1

素因数の和:11710
約数の個数: 32
約数和(自身を含む): 3234754560
約数和(自身を除く): 1236722403

約数列:
[1, 3, 9, 11, 27, 33, 99, 297, 607, 1821, 5463, 6677, 11083, 16389, 20031, 33249, 60093, 99747, 121913, 180279, 299241, 365739, 1097217, 3291651, 6727381, 20182143, 60546429, 74001191, 181639287, 222003573, 666010719, 1998032157]

約数ペア:
[(1, 1998032157), (3, 666010719), (9, 222003573), (11, 181639287), (27, 74001191), (33, 60546429), (99, 20182143), (297, 6727381), (607, 3291651), (1821, 1097217), (5463, 365739), (6677, 299241), (11083, 180279), (16389, 121913), (20031, 99747), (33249, 60093)]

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