81978426

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{79901}}^1$

素因数の和:79931

約数の個数: 32

約数和(自身を含む): 191764800

約数和(自身を除く): 109786374

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 79901, 159802, 239703, 479406, 719109, 1438218, 1518119, 2157327, 3036238, 4314654, 4554357, 9108714, 13663071, 27326142, 40989213, 81978426]

約数ペア:

[(1, 81978426), (2, 40989213), (3, 27326142), (6, 13663071), (9, 9108714), (18, 4554357), (19, 4314654), (27, 3036238), (38, 2157327), (54, 1518119), (57, 1438218), (114, 719109), (171, 479406), (342, 239703), (513, 159802), (1026, 79901)]