213066651

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{30839}}^1$

素因数の和:30903

約数の個数: 24

約数和(自身を含む): 337512960

約数和(自身を除く): 124446309

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 30839, 92517, 215873, 647619, 1449433, 1511111, 4348299, 4533333, 10146031, 30438093, 71022217, 213066651]

約数ペア:

[(1, 213066651), (3, 71022217), (7, 30438093), (21, 10146031), (47, 4533333), (49, 4348299), (141, 1511111), (147, 1449433), (329, 647619), (987, 215873), (2303, 92517), (6909, 30839)]