1878777765

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{6781}}^1$

素因数の和:6970

約数の個数: 48

約数和(自身を含む): 3351718656

約数和(自身を除く): 1472940891

約数列:

[1, 3, 5, 9, 15, 45, 47, 131, 141, 235, 393, 423, 655, 705, 1179, 1965, 2115, 5895, 6157, 6781, 18471, 20343, 30785, 33905, 55413, 61029, 92355, 101715, 277065, 305145, 318707, 888311, 956121, 1593535, 2664933, 2868363, 4441555, 4780605, 7994799, 13324665, 14341815, 39973995, 41750617, 125251851, 208753085, 375755553, 626259255, 1878777765]

約数ペア:

[(1, 1878777765), (3, 626259255), (5, 375755553), (9, 208753085), (15, 125251851), (45, 41750617), (47, 39973995), (131, 14341815), (141, 13324665), (235, 7994799), (393, 4780605), (423, 4441555), (655, 2868363), (705, 2664933), (1179, 1593535), (1965, 956121), (2115, 888311), (5895, 318707), (6157, 305145), (6781, 277065), (18471, 101715), (20343, 92355), (30785, 61029), (33905, 55413)]