77439471

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 112451328

約数和(自身を除く): 35011857

約数列:

[1, 3, 17, 51, 67, 131, 173, 201, 393, 519, 1139, 2227, 2941, 3417, 6681, 8777, 8823, 11591, 22663, 26331, 34773, 67989, 149209, 197047, 385271, 447627, 591141, 1155813, 1518421, 4555263, 25813157, 77439471]

約数ペア:

[(1, 77439471), (3, 25813157), (17, 4555263), (51, 1518421), (67, 1155813), (131, 591141), (173, 447627), (201, 385271), (393, 197047), (519, 149209), (1139, 67989), (2227, 34773), (2941, 26331), (3417, 22663), (6681, 11591), (8777, 8823)]