86881575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 159739776

約数和(自身を除く): 72858201

約数列:

[1, 3, 5, 11, 15, 25, 33, 53, 55, 75, 159, 165, 265, 275, 583, 795, 825, 1325, 1749, 1987, 2915, 3975, 5961, 8745, 9935, 14575, 21857, 29805, 43725, 49675, 65571, 105311, 109285, 149025, 315933, 327855, 526555, 546425, 1158421, 1579665, 1639275, 2632775, 3475263, 5792105, 7898325, 17376315, 28960525, 86881575]

約数ペア:

[(1, 86881575), (3, 28960525), (5, 17376315), (11, 7898325), (15, 5792105), (25, 3475263), (33, 2632775), (53, 1639275), (55, 1579665), (75, 1158421), (159, 546425), (165, 526555), (265, 327855), (275, 315933), (583, 149025), (795, 109285), (825, 105311), (1325, 65571), (1749, 49675), (1987, 43725), (2915, 29805), (3975, 21857), (5961, 14575), (8745, 9935)]