About the Number

121380285

121380284 ← → 121380286

2進数表記:111001111000001110110111101

漢数字表記:一億二千百三十八万二百八十五

素因数分解:

3 1 × 5 1 × 13 1 × 101 1 × 6163 1

素因数の和:6285
約数の個数: 32
約数和(自身を含む): 211252608
約数和(自身を除く): 89872323

約数列:
[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1313, 1515, 3939, 6163, 6565, 18489, 19695, 30815, 80119, 92445, 240357, 400595, 622463, 1201785, 1867389, 3112315, 8092019, 9336945, 24276057, 40460095, 121380285]

約数ペア:
[(1, 121380285), (3, 40460095), (5, 24276057), (13, 9336945), (15, 8092019), (39, 3112315), (65, 1867389), (101, 1201785), (195, 622463), (303, 400595), (505, 240357), (1313, 92445), (1515, 80119), (3939, 30815), (6163, 19695), (6565, 18489)]

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