42090291

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 62150400

約数和(自身を除く): 20060109

約数列:

[1, 3, 9, 71, 199, 213, 331, 597, 639, 993, 1791, 2979, 14129, 23501, 42387, 65869, 70503, 127161, 197607, 211509, 592821, 4676699, 14030097, 42090291]

約数ペア:

[(1, 42090291), (3, 14030097), (9, 4676699), (71, 592821), (199, 211509), (213, 197607), (331, 127161), (597, 70503), (639, 65869), (993, 42387), (1791, 23501), (2979, 14129)]