291057333

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{38393}}^1$

素因数の和:38441

約数の個数: 24

約数和(自身を含む): 468099648

約数和(自身を除く): 177042315

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 38393, 115179, 268751, 729467, 806253, 2188401, 5106269, 13859873, 15318807, 41579619, 97019111, 291057333]

約数ペア:

[(1, 291057333), (3, 97019111), (7, 41579619), (19, 15318807), (21, 13859873), (57, 5106269), (133, 2188401), (361, 806253), (399, 729467), (1083, 268751), (2527, 115179), (7581, 38393)]