3128255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 4536000

約数和(自身を除く): 1407745

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 149, 221, 247, 323, 745, 1105, 1235, 1615, 1937, 2533, 2831, 4199, 9685, 12665, 14155, 20995, 32929, 36803, 48127, 164645, 184015, 240635, 625651, 3128255]

約数ペア:

[(1, 3128255), (5, 625651), (13, 240635), (17, 184015), (19, 164645), (65, 48127), (85, 36803), (95, 32929), (149, 20995), (221, 14155), (247, 12665), (323, 9685), (745, 4199), (1105, 2831), (1235, 2533), (1615, 1937)]