About the Number

136980921

136980920 ← → 136980922

2進数表記:1000001010100010100110111001

漢数字表記:一億三千六百九十八万九百二十一

素因数分解:

3 1 × 7 2 × 11 1 × 84713 1

素因数の和:84741
約数の個数: 24
約数和(自身を含む): 231777504
約数和(自身を除く): 94796583

約数列:
[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 84713, 254139, 592991, 931843, 1778973, 2795529, 4150937, 6522901, 12452811, 19568703, 45660307, 136980921]

約数ペア:
[(1, 136980921), (3, 45660307), (7, 19568703), (11, 12452811), (21, 6522901), (33, 4150937), (49, 2795529), (77, 1778973), (147, 931843), (231, 592991), (539, 254139), (1617, 84713)]

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