201769785

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{71171}}^1$

素因数の和:71195

約数の個数: 40

約数和(自身を含む): 413366976

約数和(自身を除く): 211597191

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 71171, 213513, 355855, 498197, 640539, 1067565, 1494591, 1921617, 2490985, 3202695, 4483773, 5764851, 7472955, 9608085, 13451319, 22418865, 28824255, 40353957, 67256595, 201769785]

約数ペア:

[(1, 201769785), (3, 67256595), (5, 40353957), (7, 28824255), (9, 22418865), (15, 13451319), (21, 9608085), (27, 7472955), (35, 5764851), (45, 4483773), (63, 3202695), (81, 2490985), (105, 1921617), (135, 1494591), (189, 1067565), (315, 640539), (405, 498197), (567, 355855), (945, 213513), (2835, 71171)]