About the Number

12801609807

12801609806 ← → 12801609808

2進数表記:1011111011000010010001000001001111

漢数字表記:百二十八億百六十万九千八百七

素因数分解:

3 1 × 7 2 × 17 1 × 1009 1 × 5077 1

素因数の和:6120
約数の個数: 48
約数和(自身を含む): 21048513120
約数和(自身を除く): 8246903313

約数列:
[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 1009, 2499, 3027, 5077, 7063, 15231, 17153, 21189, 35539, 49441, 51459, 86309, 106617, 120071, 148323, 248773, 258927, 360213, 604163, 746319, 840497, 1812489, 2521491, 4229141, 5122693, 12687423, 15368079, 35858851, 87085781, 107576553, 251011957, 261257343, 609600467, 753035871, 1828801401, 4267203269, 12801609807]

約数ペア:
[(1, 12801609807), (3, 4267203269), (7, 1828801401), (17, 753035871), (21, 609600467), (49, 261257343), (51, 251011957), (119, 107576553), (147, 87085781), (357, 35858851), (833, 15368079), (1009, 12687423), (2499, 5122693), (3027, 4229141), (5077, 2521491), (7063, 1812489), (15231, 840497), (17153, 746319), (21189, 604163), (35539, 360213), (49441, 258927), (51459, 248773), (86309, 148323), (106617, 120071)]

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