388519275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{661}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 682643808

約数和(自身を除く): 294124533

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 461, 661, 1275, 1383, 1983, 2305, 3305, 6915, 7837, 9915, 11237, 11525, 16525, 23511, 33711, 34575, 39185, 49575, 56185, 117555, 168555, 195925, 280925, 304721, 587775, 842775, 914163, 1523605, 4570815, 5180257, 7618025, 15540771, 22854075, 25901285, 77703855, 129506425, 388519275]

約数ペア:

[(1, 388519275), (3, 129506425), (5, 77703855), (15, 25901285), (17, 22854075), (25, 15540771), (51, 7618025), (75, 5180257), (85, 4570815), (255, 1523605), (425, 914163), (461, 842775), (661, 587775), (1275, 304721), (1383, 280925), (1983, 195925), (2305, 168555), (3305, 117555), (6915, 56185), (7837, 49575), (9915, 39185), (11237, 34575), (11525, 33711), (16525, 23511)]