128310015

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{12941}}^1$

素因数の和:13610

約数の個数: 16

約数和(自身を含む): 205622496

約数和(自身を除く): 77312481

約数列:

[1, 3, 5, 15, 661, 1983, 3305, 9915, 12941, 38823, 64705, 194115, 8554001, 25662003, 42770005, 128310015]

約数ペア:

[(1, 128310015), (3, 42770005), (5, 25662003), (15, 8554001), (661, 194115), (1983, 64705), (3305, 38823), (9915, 12941)]