205124025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^2\times {\mathrm{1627}}^1$

素因数の和:1722

約数の個数: 36

約数和(自身を含む): 347825456

約数和(自身を除く): 142701431

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 1627, 1681, 3075, 4881, 5043, 8135, 8405, 24405, 25215, 40675, 42025, 66707, 122025, 126075, 200121, 333535, 1000605, 1667675, 2734987, 5003025, 8204961, 13674935, 41024805, 68374675, 205124025]

約数ペア:

[(1, 205124025), (3, 68374675), (5, 41024805), (15, 13674935), (25, 8204961), (41, 5003025), (75, 2734987), (123, 1667675), (205, 1000605), (615, 333535), (1025, 200121), (1627, 126075), (1681, 122025), (3075, 66707), (4881, 42025), (5043, 40675), (8135, 25215), (8405, 24405)]