2021574825

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{472883}}^1$

素因数の和:472918

約数の個数: 36

約数和(自身を含む): 3811445040

約数和(自身を除く): 1789870215

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 472883, 1418649, 2364415, 4255947, 7093245, 8984777, 11822075, 21279735, 26954331, 35466225, 44923885, 80862993, 106398675, 134771655, 224619425, 404314965, 673858275, 2021574825]

約数ペア:

[(1, 2021574825), (3, 673858275), (5, 404314965), (9, 224619425), (15, 134771655), (19, 106398675), (25, 80862993), (45, 44923885), (57, 35466225), (75, 26954331), (95, 21279735), (171, 11822075), (225, 8984777), (285, 7093245), (475, 4255947), (855, 2364415), (1425, 1418649), (4275, 472883)]