9899901

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 40

約数和(自身を含む): 16587648

約数和(自身を除く): 6687747

約数列:

[1, 3, 9, 11, 27, 33, 41, 81, 99, 123, 271, 297, 369, 451, 813, 891, 1107, 1353, 2439, 2981, 3321, 4059, 7317, 8943, 11111, 12177, 21951, 26829, 33333, 36531, 80487, 99999, 122221, 241461, 299997, 366663, 899991, 1099989, 3299967, 9899901]

約数ペア:

[(1, 9899901), (3, 3299967), (9, 1099989), (11, 899991), (27, 366663), (33, 299997), (41, 241461), (81, 122221), (99, 99999), (123, 80487), (271, 36531), (297, 33333), (369, 26829), (451, 21951), (813, 12177), (891, 11111), (1107, 8943), (1353, 7317), (2439, 4059), (2981, 3321)]