About the Number

11211993

11211992 ← → 11211994

2進数表記:101010110001010011011001

漢数字表記:千百二十一万千九百九十三

素因数分解:

3 3 × 13 1 × 17 1 × 1879 1

素因数の和:1918
約数の個数: 32
約数和(自身を含む): 18950400
約数和(自身を除く): 7738407

約数列:
[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1879, 1989, 5637, 5967, 16911, 24427, 31943, 50733, 73281, 95829, 219843, 287487, 415259, 659529, 862461, 1245777, 3737331, 11211993]

約数ペア:
[(1, 11211993), (3, 3737331), (9, 1245777), (13, 862461), (17, 659529), (27, 415259), (39, 287487), (51, 219843), (117, 95829), (153, 73281), (221, 50733), (351, 31943), (459, 24427), (663, 16911), (1879, 5967), (1989, 5637)]

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