138451271

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{563}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 170824320

約数和(自身を除く): 32373049

約数列:

[1, 7, 19, 43, 133, 301, 563, 817, 1849, 3941, 5719, 10697, 12943, 24209, 35131, 74879, 169463, 245917, 459971, 1040987, 3219797, 7286909, 19778753, 138451271]

約数ペア:

[(1, 138451271), (7, 19778753), (19, 7286909), (43, 3219797), (133, 1040987), (301, 459971), (563, 245917), (817, 169463), (1849, 74879), (3941, 35131), (5719, 24209), (10697, 12943)]