About the Number

121972617

121972616 ← → 121972618

2進数表記:111010001010010011110001001

漢数字表記:一億二千百九十七万二千六百十七

素因数分解:

3 2 × 13 1 × 107 1 × 9743 1

素因数の和:9869
約数の個数: 24
約数和(自身を含む): 191528064
約数和(自身を除く): 69555447

約数列:
[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 4173, 9743, 12519, 29229, 87687, 126659, 379977, 1042501, 1139931, 3127503, 9382509, 13552513, 40657539, 121972617]

約数ペア:
[(1, 121972617), (3, 40657539), (9, 13552513), (13, 9382509), (39, 3127503), (107, 1139931), (117, 1042501), (321, 379977), (963, 126659), (1391, 87687), (4173, 29229), (9743, 12519)]

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