214919289

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{42719}}^1$

素因数の和:42781

約数の個数: 24

約数和(自身を含む): 342101760

約数和(自身を除く): 127182471

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 42719, 128157, 384471, 555347, 1666041, 1836917, 4998123, 5510751, 16532253, 23879921, 71639763, 214919289]

約数ペア:

[(1, 214919289), (3, 71639763), (9, 23879921), (13, 16532253), (39, 5510751), (43, 4998123), (117, 1836917), (129, 1666041), (387, 555347), (559, 384471), (1677, 128157), (5031, 42719)]