238378647

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{907}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 358783488

約数和(自身を除く): 120404841

約数列:

[1, 3, 13, 23, 39, 69, 293, 299, 879, 897, 907, 2721, 3809, 6739, 11427, 11791, 20217, 20861, 35373, 62583, 87607, 262821, 265751, 271193, 797253, 813579, 3454763, 6112273, 10364289, 18336819, 79459549, 238378647]

約数ペア:

[(1, 238378647), (3, 79459549), (13, 18336819), (23, 10364289), (39, 6112273), (69, 3454763), (293, 813579), (299, 797253), (879, 271193), (897, 265751), (907, 262821), (2721, 87607), (3809, 62583), (6739, 35373), (11427, 20861), (11791, 20217)]