About the Number

12813390

12813389 ← → 12813391

2進数表記:110000111000010001001110

漢数字表記:千二百八十一万三千三百九十

素因数分解:

2 1 × 3 5 × 5 1 × 5273 1

素因数の和:5295
約数の個数: 48
約数和(自身を含む): 34555248
約数和(自身を除く): 21741858

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 5273, 10546, 15819, 26365, 31638, 47457, 52730, 79095, 94914, 142371, 158190, 237285, 284742, 427113, 474570, 711855, 854226, 1281339, 1423710, 2135565, 2562678, 4271130, 6406695, 12813390]

約数ペア:
[(1, 12813390), (2, 6406695), (3, 4271130), (5, 2562678), (6, 2135565), (9, 1423710), (10, 1281339), (15, 854226), (18, 711855), (27, 474570), (30, 427113), (45, 284742), (54, 237285), (81, 158190), (90, 142371), (135, 94914), (162, 79095), (243, 52730), (270, 47457), (405, 31638), (486, 26365), (810, 15819), (1215, 10546), (2430, 5273)]

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