About the Number

131009085

131009084 ← → 131009086

2進数表記:111110011110000101000111101

漢数字表記:一億三千百万九千八十五

素因数分解:

3 2 × 5 1 × 19 1 × 73 1 × 2099 1

素因数の和:2202
約数の個数: 48
約数和(自身を含む): 242424000
約数和(自身を除く): 111414915

約数列:
[1, 3, 5, 9, 15, 19, 45, 57, 73, 95, 171, 219, 285, 365, 657, 855, 1095, 1387, 2099, 3285, 4161, 6297, 6935, 10495, 12483, 18891, 20805, 31485, 39881, 62415, 94455, 119643, 153227, 199405, 358929, 459681, 598215, 766135, 1379043, 1794645, 2298405, 2911313, 6895215, 8733939, 14556565, 26201817, 43669695, 131009085]

約数ペア:
[(1, 131009085), (3, 43669695), (5, 26201817), (9, 14556565), (15, 8733939), (19, 6895215), (45, 2911313), (57, 2298405), (73, 1794645), (95, 1379043), (171, 766135), (219, 598215), (285, 459681), (365, 358929), (657, 199405), (855, 153227), (1095, 119643), (1387, 94455), (2099, 62415), (3285, 39881), (4161, 31485), (6297, 20805), (6935, 18891), (10495, 12483)]

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