About the Number

131000001

131000000 ← → 131000002

2進数表記:111110011101110011011000001

漢数字表記:一億三千百万一

素因数分解:

3 1 × 11 1 × 59 1 × 61 1 × 1103 1

素因数の和:1237
約数の個数: 32
約数和(自身を含む): 197130240
約数和(自身を除く): 66130239

約数列:
[1, 3, 11, 33, 59, 61, 177, 183, 649, 671, 1103, 1947, 2013, 3309, 3599, 10797, 12133, 36399, 39589, 65077, 67283, 118767, 195231, 201849, 715847, 740113, 2147541, 2220339, 3969697, 11909091, 43666667, 131000001]

約数ペア:
[(1, 131000001), (3, 43666667), (11, 11909091), (33, 3969697), (59, 2220339), (61, 2147541), (177, 740113), (183, 715847), (649, 201849), (671, 195231), (1103, 118767), (1947, 67283), (2013, 65077), (3309, 39589), (3599, 36399), (10797, 12133)]

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