25971975

素因数分解:

$3^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 48285600

約数和(自身を除く): 22313625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 109, 135, 225, 327, 353, 545, 675, 981, 1059, 1635, 1765, 2725, 2943, 3177, 4905, 5295, 8175, 8825, 9531, 14715, 15885, 24525, 26475, 38477, 47655, 73575, 79425, 115431, 192385, 238275, 346293, 577155, 961925, 1038879, 1731465, 2885775, 5194395, 8657325, 25971975]

約数ペア:

[(1, 25971975), (3, 8657325), (5, 5194395), (9, 2885775), (15, 1731465), (25, 1038879), (27, 961925), (45, 577155), (75, 346293), (109, 238275), (135, 192385), (225, 115431), (327, 79425), (353, 73575), (545, 47655), (675, 38477), (981, 26475), (1059, 24525), (1635, 15885), (1765, 14715), (2725, 9531), (2943, 8825), (3177, 8175), (4905, 5295)]