17944227

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 32186880

約数和(自身を除く): 14242653

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 263, 361, 399, 513, 789, 1083, 1197, 1841, 2367, 2527, 3249, 3591, 4997, 5523, 7101, 7581, 9747, 14991, 16569, 22743, 34979, 44973, 49707, 68229, 94943, 104937, 134919, 284829, 314811, 664601, 854487, 944433, 1993803, 2563461, 5981409, 17944227]

約数ペア:

[(1, 17944227), (3, 5981409), (7, 2563461), (9, 1993803), (19, 944433), (21, 854487), (27, 664601), (57, 314811), (63, 284829), (133, 134919), (171, 104937), (189, 94943), (263, 68229), (361, 49707), (399, 44973), (513, 34979), (789, 22743), (1083, 16569), (1197, 14991), (1841, 9747), (2367, 7581), (2527, 7101), (3249, 5523), (3591, 4997)]