131580477

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 230699520

約数和(自身を除く): 99119043

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 101, 113, 183, 189, 303, 339, 427, 549, 707, 791, 909, 1017, 1281, 1647, 2121, 2373, 2727, 3051, 3843, 6161, 6363, 6893, 7119, 11413, 11529, 18483, 19089, 20679, 21357, 34239, 43127, 48251, 55449, 62037, 79891, 102717, 129381, 144753, 166347, 186111, 239673, 308151, 388143, 434259, 696193, 719019, 1164429, 1302777, 2088579, 2157057, 4873351, 6265737, 14620053, 18797211, 43860159, 131580477]

約数ペア:

[(1, 131580477), (3, 43860159), (7, 18797211), (9, 14620053), (21, 6265737), (27, 4873351), (61, 2157057), (63, 2088579), (101, 1302777), (113, 1164429), (183, 719019), (189, 696193), (303, 434259), (339, 388143), (427, 308151), (549, 239673), (707, 186111), (791, 166347), (909, 144753), (1017, 129381), (1281, 102717), (1647, 79891), (2121, 62037), (2373, 55449), (2727, 48251), (3051, 43127), (3843, 34239), (6161, 21357), (6363, 20679), (6893, 19089), (7119, 18483), (11413, 11529)]