About the Number

121490985

121490984 ← → 121490986

2進数表記:111001111011100111000101001

漢数字表記:一億二千百四十九万九百八十五

素因数分解:

3 1 × 5 1 × 7 1 × 11 1 × 293 1 × 359 1

素因数の和:678
約数の個数: 64
約数和(自身を含む): 243855360
約数和(自身を除く): 122364375

約数列:
[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 293, 359, 385, 879, 1077, 1155, 1465, 1795, 2051, 2513, 3223, 3949, 4395, 5385, 6153, 7539, 9669, 10255, 11847, 12565, 16115, 19745, 22561, 27643, 30765, 37695, 48345, 59235, 67683, 82929, 105187, 112805, 138215, 315561, 338415, 414645, 525935, 736309, 1157057, 1577805, 2208927, 3471171, 3681545, 5785285, 8099399, 11044635, 17355855, 24298197, 40496995, 121490985]

約数ペア:
[(1, 121490985), (3, 40496995), (5, 24298197), (7, 17355855), (11, 11044635), (15, 8099399), (21, 5785285), (33, 3681545), (35, 3471171), (55, 2208927), (77, 1577805), (105, 1157057), (165, 736309), (231, 525935), (293, 414645), (359, 338415), (385, 315561), (879, 138215), (1077, 112805), (1155, 105187), (1465, 82929), (1795, 67683), (2051, 59235), (2513, 48345), (3223, 37695), (3949, 30765), (4395, 27643), (5385, 22561), (6153, 19745), (7539, 16115), (9669, 12565), (10255, 11847)]

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