1900693557

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{12503}}^1$

素因数の和:12662

約数の個数: 48

約数和(自身を含む): 3329064960

約数和(自身を除く): 1428371403

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 127, 133, 171, 381, 399, 889, 1143, 1197, 2413, 2667, 7239, 8001, 12503, 16891, 21717, 37509, 50673, 87521, 112527, 152019, 237557, 262563, 712671, 787689, 1587881, 1662899, 2138013, 4763643, 4988697, 11115167, 14290929, 14966091, 30169739, 33345501, 90509217, 100036503, 211188173, 271527651, 633564519, 1900693557]

約数ペア:

[(1, 1900693557), (3, 633564519), (7, 271527651), (9, 211188173), (19, 100036503), (21, 90509217), (57, 33345501), (63, 30169739), (127, 14966091), (133, 14290929), (171, 11115167), (381, 4988697), (399, 4763643), (889, 2138013), (1143, 1662899), (1197, 1587881), (2413, 787689), (2667, 712671), (7239, 262563), (8001, 237557), (12503, 152019), (16891, 112527), (21717, 87521), (37509, 50673)]