81896925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1873}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 150579648

約数和(自身を除く): 68682723

約数列:

[1, 3, 5, 11, 15, 25, 33, 53, 55, 75, 159, 165, 265, 275, 583, 795, 825, 1325, 1749, 1873, 2915, 3975, 5619, 8745, 9365, 14575, 20603, 28095, 43725, 46825, 61809, 99269, 103015, 140475, 297807, 309045, 496345, 515075, 1091959, 1489035, 1545225, 2481725, 3275877, 5459795, 7445175, 16379385, 27298975, 81896925]

約数ペア:

[(1, 81896925), (3, 27298975), (5, 16379385), (11, 7445175), (15, 5459795), (25, 3275877), (33, 2481725), (53, 1545225), (55, 1489035), (75, 1091959), (159, 515075), (165, 496345), (265, 309045), (275, 297807), (583, 140475), (795, 103015), (825, 99269), (1325, 61809), (1749, 46825), (1873, 43725), (2915, 28095), (3975, 20603), (5619, 14575), (8745, 9365)]