289395375

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 500138496

約数和(自身を除く): 210743121

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 131, 137, 215, 375, 393, 411, 645, 655, 685, 1075, 1965, 2055, 3225, 3275, 3425, 5375, 5633, 5891, 9825, 10275, 16125, 16375, 16899, 17125, 17673, 17947, 28165, 29455, 49125, 51375, 53841, 84495, 88365, 89735, 140825, 147275, 269205, 422475, 441825, 448675, 704125, 736375, 771721, 1346025, 2112375, 2209125, 2243375, 2315163, 3858605, 6730125, 11575815, 19293025, 57879075, 96465125, 289395375]

約数ペア:

[(1, 289395375), (3, 96465125), (5, 57879075), (15, 19293025), (25, 11575815), (43, 6730125), (75, 3858605), (125, 2315163), (129, 2243375), (131, 2209125), (137, 2112375), (215, 1346025), (375, 771721), (393, 736375), (411, 704125), (645, 448675), (655, 441825), (685, 422475), (1075, 269205), (1965, 147275), (2055, 140825), (3225, 89735), (3275, 88365), (3425, 84495), (5375, 53841), (5633, 51375), (5891, 49125), (9825, 29455), (10275, 28165), (16125, 17947), (16375, 17673), (16899, 17125)]