471979809

素因数分解:

$3^2\times 7^2\times {\mathrm{1070249}}^1$

素因数の和:1070269

約数の個数: 18

約数和(自身を含む): 793055250

約数和(自身を除く): 321075441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1070249, 3210747, 7491743, 9632241, 22475229, 52442201, 67425687, 157326603, 471979809]

約数ペア:

[(1, 471979809), (3, 157326603), (7, 67425687), (9, 52442201), (21, 22475229), (49, 9632241), (63, 7491743), (147, 3210747), (441, 1070249)]