About the Number

129398985

129398984 ← → 129398986

2進数表記:111101101100111100011001001

漢数字表記:一億二千九百三十九万八千九百八十五

素因数分解:

3 3 × 5 1 × 17 1 × 56383 1

素因数の和:56414
約数の個数: 32
約数和(自身を含む): 243578880
約数和(自身を除く): 114179895

約数列:
[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 56383, 169149, 281915, 507447, 845745, 958511, 1522341, 2537235, 2875533, 4792555, 7611705, 8626599, 14377665, 25879797, 43132995, 129398985]

約数ペア:
[(1, 129398985), (3, 43132995), (5, 25879797), (9, 14377665), (15, 8626599), (17, 7611705), (27, 4792555), (45, 2875533), (51, 2537235), (85, 1522341), (135, 958511), (153, 845745), (255, 507447), (459, 281915), (765, 169149), (2295, 56383)]

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