78357321

素因数分解:

$3^3\times 7^3\times {\mathrm{8461}}^1$

素因数の和:8491

約数の個数: 32

約数和(自身を含む): 135392000

約数和(自身を除く): 57034679

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 8461, 9261, 25383, 59227, 76149, 177681, 228447, 414589, 533043, 1243767, 1599129, 2902123, 3731301, 8706369, 11193903, 26119107, 78357321]

約数ペア:

[(1, 78357321), (3, 26119107), (7, 11193903), (9, 8706369), (21, 3731301), (27, 2902123), (49, 1599129), (63, 1243767), (147, 533043), (189, 414589), (343, 228447), (441, 177681), (1029, 76149), (1323, 59227), (3087, 25383), (8461, 9261)]