About the Number

121904055

121904054 ← → 121904056

2進数表記:111010001000001101110110111

漢数字表記:一億二千百九十万四千五十五

素因数分解:

3 3 × 5 1 × 7 1 × 13 1 × 9923 1

素因数の和:9957
約数の個数: 64
約数和(自身を含む): 266757120
約数和(自身を除く): 144853065

約数列:
[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1755, 2457, 4095, 9923, 12285, 29769, 49615, 69461, 89307, 128999, 148845, 208383, 267921, 347305, 386997, 446535, 625149, 644995, 902993, 1041915, 1160991, 1339605, 1875447, 1934985, 2708979, 3125745, 3482973, 4514965, 5804955, 8126937, 9377235, 13544895, 17414865, 24380811, 40634685, 121904055]

約数ペア:
[(1, 121904055), (3, 40634685), (5, 24380811), (7, 17414865), (9, 13544895), (13, 9377235), (15, 8126937), (21, 5804955), (27, 4514965), (35, 3482973), (39, 3125745), (45, 2708979), (63, 1934985), (65, 1875447), (91, 1339605), (105, 1160991), (117, 1041915), (135, 902993), (189, 644995), (195, 625149), (273, 446535), (315, 386997), (351, 347305), (455, 267921), (585, 208383), (819, 148845), (945, 128999), (1365, 89307), (1755, 69461), (2457, 49615), (4095, 29769), (9923, 12285)]

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