71667981

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5443}}^1$

素因数の和:5486

約数の個数: 48

約数和(自身を含む): 135882240

約数和(自身を除く): 64214259

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 5443, 13167, 16329, 38101, 48987, 59873, 103417, 114303, 179619, 310251, 342909, 419111, 538857, 723919, 930753, 1137587, 1257333, 2171757, 3412761, 3771999, 6515271, 7963109, 10238283, 23889327, 71667981]

約数ペア:

[(1, 71667981), (3, 23889327), (7, 10238283), (9, 7963109), (11, 6515271), (19, 3771999), (21, 3412761), (33, 2171757), (57, 1257333), (63, 1137587), (77, 930753), (99, 723919), (133, 538857), (171, 419111), (209, 342909), (231, 310251), (399, 179619), (627, 114303), (693, 103417), (1197, 59873), (1463, 48987), (1881, 38101), (4389, 16329), (5443, 13167)]