About the Number

121601487

121601486 ← → 121601488

2進数表記:111001111110111110111001111

漢数字表記:一億二千百六十万千四百八十七

素因数分解:

3 1 × 7 2 × 61 1 × 71 1 × 191 1

素因数の和:340
約数の個数: 48
約数和(自身を含む): 195416064
約数和(自身を除く): 73814577

約数列:
[1, 3, 7, 21, 49, 61, 71, 147, 183, 191, 213, 427, 497, 573, 1281, 1337, 1491, 2989, 3479, 4011, 4331, 8967, 9359, 10437, 11651, 12993, 13561, 28077, 30317, 34953, 40683, 81557, 90951, 94927, 212219, 244671, 284781, 570899, 636657, 664489, 827221, 1712697, 1993467, 2481663, 5790547, 17371641, 40533829, 121601487]

約数ペア:
[(1, 121601487), (3, 40533829), (7, 17371641), (21, 5790547), (49, 2481663), (61, 1993467), (71, 1712697), (147, 827221), (183, 664489), (191, 636657), (213, 570899), (427, 284781), (497, 244671), (573, 212219), (1281, 94927), (1337, 90951), (1491, 81557), (2989, 40683), (3479, 34953), (4011, 30317), (4331, 28077), (8967, 13561), (9359, 12993), (10437, 11651)]

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