About the Number

61091289

61091288 ← → 61091290

2進数表記:11101001000010110111011001

漢数字表記:六千百九万千二百八十九

素因数分解:

3 2 × 7 2 × 19 1 × 23 1 × 317 1

素因数の和:379
約数の個数: 72
約数和(自身を含む): 113106240
約数和(自身を除く): 52014951

約数列:
[1, 3, 7, 9, 19, 21, 23, 49, 57, 63, 69, 133, 147, 161, 171, 207, 317, 399, 437, 441, 483, 931, 951, 1127, 1197, 1311, 1449, 2219, 2793, 2853, 3059, 3381, 3933, 6023, 6657, 7291, 8379, 9177, 10143, 15533, 18069, 19971, 21413, 21873, 27531, 42161, 46599, 51037, 54207, 64239, 65619, 126483, 138529, 139797, 153111, 192717, 295127, 357259, 379449, 415587, 459333, 885381, 969703, 1071777, 1246761, 2656143, 2909109, 3215331, 6787921, 8727327, 20363763, 61091289]

約数ペア:
[(1, 61091289), (3, 20363763), (7, 8727327), (9, 6787921), (19, 3215331), (21, 2909109), (23, 2656143), (49, 1246761), (57, 1071777), (63, 969703), (69, 885381), (133, 459333), (147, 415587), (161, 379449), (171, 357259), (207, 295127), (317, 192717), (399, 153111), (437, 139797), (441, 138529), (483, 126483), (931, 65619), (951, 64239), (1127, 54207), (1197, 51037), (1311, 46599), (1449, 42161), (2219, 27531), (2793, 21873), (2853, 21413), (3059, 19971), (3381, 18069), (3933, 15533), (6023, 10143), (6657, 9177), (7291, 8379)]

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