127777221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{983}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 219203712

約数和(自身を除く): 91426491

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 101, 117, 143, 303, 429, 909, 983, 1111, 1287, 1313, 2949, 3333, 3939, 8847, 9999, 10813, 11817, 12779, 14443, 32439, 38337, 43329, 97317, 99283, 115011, 129987, 140569, 297849, 421707, 893547, 1092113, 1265121, 1290679, 3276339, 3872037, 9829017, 11616111, 14197469, 42592407, 127777221]

約数ペア:

[(1, 127777221), (3, 42592407), (9, 14197469), (11, 11616111), (13, 9829017), (33, 3872037), (39, 3276339), (99, 1290679), (101, 1265121), (117, 1092113), (143, 893547), (303, 421707), (429, 297849), (909, 140569), (983, 129987), (1111, 115011), (1287, 99283), (1313, 97317), (2949, 43329), (3333, 38337), (3939, 32439), (8847, 14443), (9999, 12779), (10813, 11817)]