201977775

素因数分解:

$3^2\times 5^2\times {\mathrm{353}}^1\times {\mathrm{2543}}^1$

素因数の和:2912

約数の個数: 36

約数和(自身を含む): 362932128

約数和(自身を除く): 160954353

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 353, 1059, 1765, 2543, 3177, 5295, 7629, 8825, 12715, 15885, 22887, 26475, 38145, 63575, 79425, 114435, 190725, 572175, 897679, 2693037, 4488395, 8079111, 13465185, 22441975, 40395555, 67325925, 201977775]

約数ペア:

[(1, 201977775), (3, 67325925), (5, 40395555), (9, 22441975), (15, 13465185), (25, 8079111), (45, 4488395), (75, 2693037), (225, 897679), (353, 572175), (1059, 190725), (1765, 114435), (2543, 79425), (3177, 63575), (5295, 38145), (7629, 26475), (8825, 22887), (12715, 15885)]