31004205

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 51477120

約数和(自身を除く): 20472915

約数列:

[1, 3, 5, 15, 53, 59, 159, 177, 265, 295, 661, 795, 885, 1983, 3127, 3305, 9381, 9915, 15635, 35033, 38999, 46905, 105099, 116997, 175165, 194995, 525495, 584985, 2066947, 6200841, 10334735, 31004205]

約数ペア:

[(1, 31004205), (3, 10334735), (5, 6200841), (15, 2066947), (53, 584985), (59, 525495), (159, 194995), (177, 175165), (265, 116997), (295, 105099), (661, 46905), (795, 38999), (885, 35033), (1983, 15635), (3127, 9915), (3305, 9381)]