About the Number

129189105

129189104 ← → 129189106

2進数表記:111101100110100010011110001

漢数字表記:一億二千九百十八万九千百五

素因数分解:

3 2 × 5 1 × 227 1 × 12647 1

素因数の和:12885
約数の個数: 24
約数和(自身を含む): 224932032
約数和(自身を除く): 95742927

約数列:
[1, 3, 5, 9, 15, 45, 227, 681, 1135, 2043, 3405, 10215, 12647, 37941, 63235, 113823, 189705, 569115, 2870869, 8612607, 14354345, 25837821, 43063035, 129189105]

約数ペア:
[(1, 129189105), (3, 43063035), (5, 25837821), (9, 14354345), (15, 8612607), (45, 2870869), (227, 569115), (681, 189705), (1135, 113823), (2043, 63235), (3405, 37941), (10215, 12647)]

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