172964277

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{21521}}^1$

素因数の和:21593

約数の個数: 24

約数和(自身を含む): 268594560

約数和(自身を除く): 95630283

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 8037, 21521, 64563, 193689, 408899, 1011487, 1226697, 3034461, 3680091, 9103383, 19218253, 57654759, 172964277]

約数ペア:

[(1, 172964277), (3, 57654759), (9, 19218253), (19, 9103383), (47, 3680091), (57, 3034461), (141, 1226697), (171, 1011487), (423, 408899), (893, 193689), (2679, 64563), (8037, 21521)]