128471409

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 214276608

約数和(自身を除く): 85805199

約数列:

[1, 3, 9, 11, 31, 33, 41, 93, 99, 123, 279, 341, 369, 451, 1021, 1023, 1271, 1353, 3063, 3069, 3813, 4059, 9189, 11231, 11439, 13981, 31651, 33693, 41861, 41943, 94953, 101079, 125583, 125829, 284859, 348161, 376749, 460471, 1044483, 1297691, 1381413, 3133449, 3893073, 4144239, 11679219, 14274601, 42823803, 128471409]

約数ペア:

[(1, 128471409), (3, 42823803), (9, 14274601), (11, 11679219), (31, 4144239), (33, 3893073), (41, 3133449), (93, 1381413), (99, 1297691), (123, 1044483), (279, 460471), (341, 376749), (369, 348161), (451, 284859), (1021, 125829), (1023, 125583), (1271, 101079), (1353, 94953), (3063, 41943), (3069, 41861), (3813, 33693), (4059, 31651), (9189, 13981), (11231, 11439)]