81418554

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215393}}^1$

素因数の和:215411

約数の個数: 32

約数和(自身を含む): 206778240

約数和(自身を除く): 125359686

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215393, 430786, 646179, 1292358, 1507751, 1938537, 3015502, 3877074, 4523253, 5815611, 9046506, 11631222, 13569759, 27139518, 40709277, 81418554]

約数ペア:

[(1, 81418554), (2, 40709277), (3, 27139518), (6, 13569759), (7, 11631222), (9, 9046506), (14, 5815611), (18, 4523253), (21, 3877074), (27, 3015502), (42, 1938537), (54, 1507751), (63, 1292358), (126, 646179), (189, 430786), (378, 215393)]