81146175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2399}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 68844225

約数列:

[1, 3, 5, 11, 15, 25, 33, 41, 55, 75, 123, 165, 205, 275, 451, 615, 825, 1025, 1353, 2255, 2399, 3075, 6765, 7197, 11275, 11995, 26389, 33825, 35985, 59975, 79167, 98359, 131945, 179925, 295077, 395835, 491795, 659725, 1081949, 1475385, 1979175, 2458975, 3245847, 5409745, 7376925, 16229235, 27048725, 81146175]

約数ペア:

[(1, 81146175), (3, 27048725), (5, 16229235), (11, 7376925), (15, 5409745), (25, 3245847), (33, 2458975), (41, 1979175), (55, 1475385), (75, 1081949), (123, 659725), (165, 491795), (205, 395835), (275, 295077), (451, 179925), (615, 131945), (825, 98359), (1025, 79167), (1353, 59975), (2255, 35985), (2399, 33825), (3075, 26389), (6765, 11995), (7197, 11275)]