84189987

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^2\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 54

約数和(自身を含む): 147153708

約数和(自身を除く): 62963721

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 227, 261, 441, 609, 681, 841, 1421, 1589, 1827, 2043, 2523, 4263, 4767, 5887, 6583, 7569, 11123, 12789, 14301, 17661, 19749, 33369, 41209, 46081, 52983, 59247, 100107, 123627, 138243, 190907, 322567, 370881, 414729, 572721, 967701, 1336349, 1718163, 2903103, 4009047, 9354443, 12027141, 28063329, 84189987]

約数ペア:

[(1, 84189987), (3, 28063329), (7, 12027141), (9, 9354443), (21, 4009047), (29, 2903103), (49, 1718163), (63, 1336349), (87, 967701), (147, 572721), (203, 414729), (227, 370881), (261, 322567), (441, 190907), (609, 138243), (681, 123627), (841, 100107), (1421, 59247), (1589, 52983), (1827, 46081), (2043, 41209), (2523, 33369), (4263, 19749), (4767, 17661), (5887, 14301), (6583, 12789), (7569, 11123)]